Fix inconsistent parameter names

8 files changed, 304 insertions, 302 deletions

diff --git a/lilv/lilv.h b/lilv/lilv.h
index c1233bb..64897a1 100644
--- a/lilv/lilv.h
+++ b/lilv/lilv.h
@@ -463,7 +463,7 @@ lilv_nodes_get_first(const LilvNodes* collection);
    Return whether `values` contains `value`.
 */
 LILV_API bool
-lilv_nodes_contains(const LilvNodes* values, const LilvNode* value);
+lilv_nodes_contains(const LilvNodes* nodes, const LilvNode* value);
 
 /**
    Return a new LilvNodes that contains all nodes from both `a` and `b`.
@@ -817,7 +817,7 @@ lilv_plugin_get_class(const LilvPlugin* plugin);
    Return value must be freed by caller with lilv_nodes_free().
 */
 LILV_API LilvNodes*
-lilv_plugin_get_value(const LilvPlugin* p,
+lilv_plugin_get_value(const LilvPlugin* plugin,
                       const LilvNode*   predicate);
 
 /**
@@ -826,8 +826,8 @@ lilv_plugin_get_value(const LilvPlugin* p,
    of the plugin.
 */
 LILV_API bool
-lilv_plugin_has_feature(const LilvPlugin* p,
-                        const LilvNode*   feature_uri);
+lilv_plugin_has_feature(const LilvPlugin* plugin,
+                        const LilvNode*   feature);
 
 /**
    Get the LV2 Features supported (required or optionally) by a plugin.
@@ -840,7 +840,7 @@ lilv_plugin_has_feature(const LilvPlugin* p,
    Returned value must be freed by caller with lilv_nodes_free().
 */
 LILV_API LilvNodes*
-lilv_plugin_get_supported_features(const LilvPlugin* p);
+lilv_plugin_get_supported_features(const LilvPlugin* plugin);
 
 /**
    Get the LV2 Features required by a plugin.
@@ -854,7 +854,7 @@ lilv_plugin_get_supported_features(const LilvPlugin* p);
    Return value must be freed by caller with lilv_nodes_free().
 */
 LILV_API LilvNodes*
-lilv_plugin_get_required_features(const LilvPlugin* p);
+lilv_plugin_get_required_features(const LilvPlugin* plugin);
 
 /**
    Get the LV2 Features optionally supported by a plugin.
@@ -865,13 +865,13 @@ lilv_plugin_get_required_features(const LilvPlugin* p);
    Return value must be freed by caller with lilv_nodes_free().
 */
 LILV_API LilvNodes*
-lilv_plugin_get_optional_features(const LilvPlugin* p);
+lilv_plugin_get_optional_features(const LilvPlugin* plugin);
 
 /**
    Return whether or not a plugin provides a specific extension data.
 */
 LILV_API bool
-lilv_plugin_has_extension_data(const LilvPlugin* p,
+lilv_plugin_has_extension_data(const LilvPlugin* plugin,
                                const LilvNode*   uri);
 
 /**
@@ -880,13 +880,13 @@ lilv_plugin_has_extension_data(const LilvPlugin* p,
    will return a value for without instantiating the plugin.
 */
 LILV_API LilvNodes*
-lilv_plugin_get_extension_data(const LilvPlugin* p);
+lilv_plugin_get_extension_data(const LilvPlugin* plugin);
 
 /**
    Get the number of ports on this plugin.
 */
 LILV_API uint32_t
-lilv_plugin_get_num_ports(const LilvPlugin* p);
+lilv_plugin_get_num_ports(const LilvPlugin* plugin);
 
 /**
    Get the port ranges (minimum, maximum and default values) for all ports.
@@ -903,7 +903,7 @@ lilv_plugin_get_num_ports(const LilvPlugin* p);
    repeated calls to lilv_port_get_range().
 */
 LILV_API void
-lilv_plugin_get_port_ranges_float(const LilvPlugin* p,
+lilv_plugin_get_port_ranges_float(const LilvPlugin* plugin,
                                   float*            min_values,
                                   float*            max_values,
                                   float*            def_values);
@@ -915,7 +915,7 @@ lilv_plugin_get_port_ranges_float(const LilvPlugin* p,
    OF THIS FUNCTION WITH NULL OR VERY NASTY THINGS WILL HAPPEN.
 */
 LILV_API uint32_t
-lilv_plugin_get_num_ports_of_class(const LilvPlugin* p,
+lilv_plugin_get_num_ports_of_class(const LilvPlugin* plugin,
                                    const LilvNode*   class_1, ...);
 
 #ifndef SWIG
@@ -925,7 +925,7 @@ lilv_plugin_get_num_ports_of_class(const LilvPlugin* p,
    This function calls va_arg() on `args` but does not call va_end().
 */
 LILV_API uint32_t
-lilv_plugin_get_num_ports_of_class_va(const LilvPlugin* p,
+lilv_plugin_get_num_ports_of_class_va(const LilvPlugin* plugin,
                                       const LilvNode*   class_1,
                                       va_list           args);
 #endif
@@ -936,7 +936,7 @@ lilv_plugin_get_num_ports_of_class_va(const LilvPlugin* p,
    lilv_plugin_get_latency_port() ONLY if this function returns true.
 */
 LILV_API bool
-lilv_plugin_has_latency(const LilvPlugin* p);
+lilv_plugin_has_latency(const LilvPlugin* plugin);
 
 /**
    Return the index of the plugin's latency port.
@@ -948,7 +948,7 @@ lilv_plugin_has_latency(const LilvPlugin* p);
    rate output port that reports the latency for each cycle in frames.
 */
 LILV_API uint32_t
-lilv_plugin_get_latency_port_index(const LilvPlugin* p);
+lilv_plugin_get_latency_port_index(const LilvPlugin* plugin);
 
 /**
    Get a port on `plugin` by `index`.
@@ -1112,9 +1112,9 @@ lilv_port_get_properties(const LilvPlugin* plugin,
    Return whether a port has a certain property.
 */
 LILV_API bool
-lilv_port_has_property(const LilvPlugin* p,
+lilv_port_has_property(const LilvPlugin* plugin,
                        const LilvPort*   port,
-                       const LilvNode*   property_uri);
+                       const LilvNode*   property);
 
 /**
    Return whether a port supports a certain event type.
@@ -1123,7 +1123,7 @@ lilv_port_has_property(const LilvPlugin* p,
    ev:supportsEvent property with `event_type` as the value.
 */
 LILV_API bool
-lilv_port_supports_event(const LilvPlugin* p,
+lilv_port_supports_event(const LilvPlugin* plugin,
                          const LilvPort*   port,
                          const LilvNode*   event_type);
 
@@ -1190,7 +1190,7 @@ lilv_port_is_a(const LilvPlugin* plugin,
 LILV_API void
 lilv_port_get_range(const LilvPlugin* plugin,
                     const LilvPort*   port,
-                    LilvNode**        deflt,
+                    LilvNode**        def,
                     LilvNode**        min,
                     LilvNode**        max);
 
@@ -1217,13 +1217,13 @@ lilv_port_get_scale_points(const LilvPlugin* plugin,
    the plugin URI as the `subject` parameter.
    @param world The world.
    @param map URID mapper.
-   @param subject The subject of the state description (e.g. a preset URI).
+   @param node The subject of the state description (e.g. a preset URI).
    @return A new LilvState which must be freed with lilv_state_free(), or NULL.
 */
 LILV_API LilvState*
 lilv_state_new_from_world(LilvWorld*      world,
                           LV2_URID_Map*   map,
-                          const LilvNode* subject);
+                          const LilvNode* node);
 
 /**
    Load a state snapshot from a file.
diff --git a/src/collections.c b/src/collections.c
index f519b71..9ded845 100644
--- a/src/collections.c
+++ b/src/collections.c
@@ -39,17 +39,17 @@ lilv_collection_new(ZixComparator cmp, ZixDestroyFunc destructor)
 }
 
 void
-lilv_collection_free(LilvCollection* coll)
+lilv_collection_free(LilvCollection* collection)
 {
-	if (coll) {
-		zix_tree_free((ZixTree*)coll);
+	if (collection) {
+		zix_tree_free((ZixTree*)collection);
 	}
 }
 
 unsigned
-lilv_collection_size(const LilvCollection* coll)
+lilv_collection_size(const LilvCollection* collection)
 {
-	return (coll ? zix_tree_size((const ZixTree*)coll) : 0);
+	return (collection ? zix_tree_size((const ZixTree*)collection) : 0);
 }
 
 LilvIter*
@@ -98,17 +98,17 @@ lilv_plugin_classes_new(void)
 /* URI based accessors (for collections of things with URIs) */
 
 LILV_API const LilvPluginClass*
-lilv_plugin_classes_get_by_uri(const LilvPluginClasses* coll,
+lilv_plugin_classes_get_by_uri(const LilvPluginClasses* classes,
                                const LilvNode*          uri)
 {
 	return (LilvPluginClass*)lilv_collection_get_by_uri(
-		(const ZixTree*)coll, uri);
+		(const ZixTree*)classes, uri);
 }
 
 LILV_API const LilvUI*
-lilv_uis_get_by_uri(const LilvUIs* coll, const LilvNode* uri)
+lilv_uis_get_by_uri(const LilvUIs* uis, const LilvNode* uri)
 {
-	return (LilvUI*)lilv_collection_get_by_uri((const ZixTree*)coll, uri);
+	return (LilvUI*)lilv_collection_get_by_uri((const ZixTree*)uis, uri);
 }
 
 /* Plugins */
@@ -120,18 +120,19 @@ lilv_plugins_new(void)
 }
 
 LILV_API const LilvPlugin*
-lilv_plugins_get_by_uri(const LilvPlugins* list, const LilvNode* uri)
+lilv_plugins_get_by_uri(const LilvPlugins* plugins, const LilvNode* uri)
 {
-	return (LilvPlugin*)lilv_collection_get_by_uri((const ZixTree*)list, uri);
+	return (LilvPlugin*)lilv_collection_get_by_uri(
+		(const ZixTree*)plugins, uri);
 }
 
 /* Nodes */
 
 LILV_API bool
-lilv_nodes_contains(const LilvNodes* list, const LilvNode* value)
+lilv_nodes_contains(const LilvNodes* nodes, const LilvNode* value)
 {
-	LILV_FOREACH(nodes, i, list) {
-		if (lilv_node_equals(lilv_nodes_get(list, i), value)) {
+	LILV_FOREACH(nodes, i, nodes) {
+		if (lilv_node_equals(lilv_nodes_get(nodes, i), value)) {
 			return true;
 		}
 	}
diff --git a/src/lilv_internal.h b/src/lilv_internal.h
index af8e31a..cedc33e 100644
--- a/src/lilv_internal.h
+++ b/src/lilv_internal.h
@@ -258,9 +258,9 @@ LilvPlugin* lilv_plugin_new(LilvWorld* world,
                             LilvNode*  uri,
                             LilvNode*  bundle_uri);
 void        lilv_plugin_clear(LilvPlugin* plugin, LilvNode* bundle_uri);
-void        lilv_plugin_load_if_necessary(const LilvPlugin* p);
+void        lilv_plugin_load_if_necessary(const LilvPlugin* plugin);
 void        lilv_plugin_free(LilvPlugin* plugin);
-LilvNode*   lilv_plugin_get_unique(const LilvPlugin* p,
+LilvNode*   lilv_plugin_get_unique(const LilvPlugin* plugin,
                                    const SordNode*   subject,
                                    const SordNode*   predicate);
 
@@ -271,7 +271,7 @@ void*     lilv_collection_get(const LilvCollection* collection,
                               const LilvIter*       i);
 
 LilvPluginClass* lilv_plugin_class_new(LilvWorld*      world,
-                                       const SordNode* parent_uri,
+                                       const SordNode* parent_node,
                                        const SordNode* uri,
                                        const char*     label);
 
@@ -313,7 +313,7 @@ LilvUI* lilv_ui_new(LilvWorld* world,
 
 void lilv_ui_free(LilvUI* ui);
 
-LilvNode* lilv_node_new(LilvWorld* world, LilvNodeType type, const char* val);
+LilvNode* lilv_node_new(LilvWorld* world, LilvNodeType type, const char* str);
 LilvNode* lilv_node_new_from_node(LilvWorld* world, const SordNode* node);
 
 int lilv_header_compare_by_uri(const void* a, const void* b, void* user_data);
@@ -370,7 +370,7 @@ lilv_world_filter_model(LilvWorld*      world,
 #define FOREACH_MATCH(iter) \
 	for (; !sord_iter_end(iter); sord_iter_next(iter))
 
-LilvNodes* lilv_nodes_from_stream_objects(LilvWorld*    w,
+LilvNodes* lilv_nodes_from_stream_objects(LilvWorld*    world,
                                           SordIter*     stream,
                                           SordQuadIndex field);
 
@@ -389,7 +389,7 @@ bool   lilv_path_is_child(const char* path, const char* dir);
 int    lilv_flock(FILE* file, bool lock);
 char*  lilv_realpath(const char* path);
 int    lilv_symlink(const char* oldpath, const char* newpath);
-int    lilv_mkdir_p(const char* path);
+int    lilv_mkdir_p(const char* dir_path);
 char*  lilv_path_join(const char* a, const char* b);
 bool   lilv_file_equals(const char* a_path, const char* b_path);
 
diff --git a/src/plugin.c b/src/plugin.c
index d524ebe..0575b32 100644
--- a/src/plugin.c
+++ b/src/plugin.c
@@ -72,63 +72,63 @@ lilv_plugin_clear(LilvPlugin* plugin, LilvNode* bundle_uri)
 }
 
 static void
-lilv_plugin_free_ports(LilvPlugin* p)
+lilv_plugin_free_ports(LilvPlugin* plugin)
 {
-	if (p->ports) {
-		for (uint32_t i = 0; i < p->num_ports; ++i) {
-			lilv_port_free(p, p->ports[i]);
+	if (plugin->ports) {
+		for (uint32_t i = 0; i < plugin->num_ports; ++i) {
+			lilv_port_free(plugin, plugin->ports[i]);
 		}
-		free(p->ports);
-		p->num_ports = 0;
-		p->ports     = NULL;
+		free(plugin->ports);
+		plugin->num_ports = 0;
+		plugin->ports     = NULL;
 	}
 }
 
 void
-lilv_plugin_free(LilvPlugin* p)
+lilv_plugin_free(LilvPlugin* plugin)
 {
 #ifdef LILV_DYN_MANIFEST
-	if (p->dynmanifest && --p->dynmanifest->refs == 0) {
+	if (plugin->dynmanifest && --plugin->dynmanifest->refs == 0) {
 		typedef int (*CloseFunc)(LV2_Dyn_Manifest_Handle);
-		CloseFunc close_func = (CloseFunc)lilv_dlfunc(p->dynmanifest->lib,
+		CloseFunc close_func = (CloseFunc)lilv_dlfunc(plugin->dynmanifest->lib,
 		                                              "lv2_dyn_manifest_close");
 		if (close_func) {
-			close_func(p->dynmanifest->handle);
+			close_func(plugin->dynmanifest->handle);
 		}
 
-		dlclose(p->dynmanifest->lib);
-		lilv_node_free(p->dynmanifest->bundle);
-		free(p->dynmanifest);
+		dlclose(plugin->dynmanifest->lib);
+		lilv_node_free(plugin->dynmanifest->bundle);
+		free(plugin->dynmanifest);
 	}
 #endif
 
-	lilv_node_free(p->plugin_uri);
-	p->plugin_uri = NULL;
+	lilv_node_free(plugin->plugin_uri);
+	plugin->plugin_uri = NULL;
 
-	lilv_node_free(p->bundle_uri);
-	p->bundle_uri = NULL;
+	lilv_node_free(plugin->bundle_uri);
+	plugin->bundle_uri = NULL;
 
-	lilv_node_free(p->binary_uri);
-	p->binary_uri = NULL;
+	lilv_node_free(plugin->binary_uri);
+	plugin->binary_uri = NULL;
 
-	lilv_plugin_free_ports(p);
+	lilv_plugin_free_ports(plugin);
 
-	lilv_nodes_free(p->data_uris);
-	p->data_uris = NULL;
+	lilv_nodes_free(plugin->data_uris);
+	plugin->data_uris = NULL;
 
-	free(p);
+	free(plugin);
 }
 
 static LilvNode*
-lilv_plugin_get_one(const LilvPlugin* p,
+lilv_plugin_get_one(const LilvPlugin* plugin,
                     const SordNode*   subject,
                     const SordNode*   predicate)
 {
 	LilvNode* ret    = NULL;
 	SordIter* stream = lilv_world_query_internal(
-		p->world, subject, predicate, NULL);
+		plugin->world, subject, predicate, NULL);
 	if (!sord_iter_end(stream)) {
-		ret = lilv_node_new_from_node(p->world,
+		ret = lilv_node_new_from_node(plugin->world,
 		                              sord_iter_get_node(stream, SORD_OBJECT));
 	}
 	sord_iter_free(stream);
@@ -136,11 +136,11 @@ lilv_plugin_get_one(const LilvPlugin* p,
 }
 
 LilvNode*
-lilv_plugin_get_unique(const LilvPlugin* p,
+lilv_plugin_get_unique(const LilvPlugin* plugin,
                        const SordNode*   subject,
                        const SordNode*   predicate)
 {
-	LilvNode* ret = lilv_plugin_get_one(p, subject, predicate);
+	LilvNode* ret = lilv_plugin_get_one(plugin, subject, predicate);
 	if (!ret) {
 		LILV_ERRORF("No value found for (%s %s ...) property\n",
 		            sord_node_get_string(subject),
@@ -150,34 +150,35 @@ lilv_plugin_get_unique(const LilvPlugin* p,
 }
 
 static void
-lilv_plugin_load(LilvPlugin* p)
+lilv_plugin_load(LilvPlugin* plugin)
 {
-	SordNode*       bundle_uri_node  = p->bundle_uri->node;
+	SordNode*       bundle_uri_node  = plugin->bundle_uri->node;
 	const SerdNode* bundle_uri_snode = sord_node_to_serd_node(bundle_uri_node);
 
 	SerdEnv*    env    = serd_env_new(bundle_uri_snode);
-	SerdReader* reader = sord_new_reader(p->world->model, env, SERD_TURTLE,
+	SerdReader* reader = sord_new_reader(plugin->world->model, env, SERD_TURTLE,
 	                                     bundle_uri_node);
 
-	SordModel* prots = lilv_world_filter_model(p->world,
-	                                           p->world->model,
-	                                           p->plugin_uri->node,
-	                                           p->world->uris.lv2_prototype,
-	                                           NULL, NULL);
-	SordModel* skel = sord_new(p->world->world, SORD_SPO, false);
+	SordModel* prots = lilv_world_filter_model(
+		plugin->world,
+		plugin->world->model,
+		plugin->plugin_uri->node,
+		plugin->world->uris.lv2_prototype,
+		NULL, NULL);
+	SordModel* skel = sord_new(plugin->world->world, SORD_SPO, false);
 	SordIter*  iter = sord_begin(prots);
 	for (; !sord_iter_end(iter); sord_iter_next(iter)) {
 		const SordNode* t         = sord_iter_get_node(iter, SORD_OBJECT);
-		LilvNode*       prototype = lilv_node_new_from_node(p->world, t);
+		LilvNode*       prototype = lilv_node_new_from_node(plugin->world, t);
 
-		lilv_world_load_resource(p->world, prototype);
+		lilv_world_load_resource(plugin->world, prototype);
 
 		SordIter* statements = sord_search(
-			p->world->model, prototype->node, NULL, NULL, NULL);
+			plugin->world->model, prototype->node, NULL, NULL, NULL);
 		FOREACH_MATCH(statements) {
 			SordQuad quad;
 			sord_iter_get(statements, quad);
-			quad[0] = p->plugin_uri->node;
+			quad[0] = plugin->plugin_uri->node;
 			sord_add(skel, quad);
 		}
 
@@ -189,7 +190,7 @@ lilv_plugin_load(LilvPlugin* p)
 	for (iter = sord_begin(skel); !sord_iter_end(iter); sord_iter_next(iter)) {
 		SordQuad quad;
 		sord_iter_get(iter, quad);
-		sord_add(p->world->model, quad);
+		sord_add(plugin->world->model, quad);
 	}
 	sord_iter_free(iter);
 	sord_free(skel);
@@ -197,19 +198,19 @@ lilv_plugin_load(LilvPlugin* p)
 
 	// Parse all the plugin's data files into RDF model
 	SerdStatus st = SERD_SUCCESS;
-	LILV_FOREACH(nodes, i, p->data_uris) {
-		const LilvNode* data_uri = lilv_nodes_get(p->data_uris, i);
+	LILV_FOREACH(nodes, i, plugin->data_uris) {
+		const LilvNode* data_uri = lilv_nodes_get(plugin->data_uris, i);
 
 		serd_env_set_base_uri(env, sord_node_to_serd_node(data_uri->node));
-		st = lilv_world_load_file(p->world, reader, data_uri);
+		st = lilv_world_load_file(plugin->world, reader, data_uri);
 		if (st > SERD_FAILURE) {
 			break;
 		}
 	}
 
 	if (st > SERD_FAILURE) {
-		p->loaded       = true;
-		p->parse_errors = true;
+		plugin->loaded       = true;
+		plugin->parse_errors = true;
 		serd_reader_free(reader);
 		serd_env_free(env);
 		return;
@@ -217,21 +218,21 @@ lilv_plugin_load(LilvPlugin* p)
 
 #ifdef LILV_DYN_MANIFEST
 	// Load and parse dynamic manifest data, if this is a library
-	if (p->dynmanifest) {
+	if (plugin->dynmanifest) {
 		typedef int (*GetDataFunc)(LV2_Dyn_Manifest_Handle handle,
 		                           FILE*                   fp,
 		                           const char*             uri);
 		GetDataFunc get_data_func = (GetDataFunc)lilv_dlfunc(
-			p->dynmanifest->lib, "lv2_dyn_manifest_get_data");
+			plugin->dynmanifest->lib, "lv2_dyn_manifest_get_data");
 		if (get_data_func) {
-			const SordNode* bundle = p->dynmanifest->bundle->node;
+			const SordNode* bundle = plugin->dynmanifest->bundle->node;
 			serd_env_set_base_uri(env, sord_node_to_serd_node(bundle));
 			FILE* fd = tmpfile();
-			get_data_func(p->dynmanifest->handle, fd,
-			              lilv_node_as_string(p->plugin_uri));
+			get_data_func(plugin->dynmanifest->handle, fd,
+			              lilv_node_as_string(plugin->plugin_uri));
 			rewind(fd);
 			serd_reader_add_blank_prefix(
-				reader, lilv_world_blank_node_prefix(p->world));
+				reader, lilv_world_blank_node_prefix(plugin->world));
 			serd_reader_read_file_handle(
 				reader, fd, (const uint8_t*)"(dyn-manifest)");
 			fclose(fd);
@@ -241,7 +242,7 @@ lilv_plugin_load(LilvPlugin* p)
 	serd_reader_free(reader);
 	serd_env_free(env);
 
-	p->loaded = true;
+	plugin->loaded = true;
 }
 
 static bool
@@ -259,81 +260,81 @@ is_symbol(const char* str)
 }
 
 static void
-lilv_plugin_load_ports_if_necessary(const LilvPlugin* const_p)
+lilv_plugin_load_ports_if_necessary(const LilvPlugin* const_plugin)
 {
-	LilvPlugin* p = (LilvPlugin*)const_p;
+	LilvPlugin* plugin = (LilvPlugin*)const_plugin;
 
-	lilv_plugin_load_if_necessary(p);
+	lilv_plugin_load_if_necessary(plugin);
 
-	if (!p->ports) {
-		p->ports = (LilvPort**)malloc(sizeof(LilvPort*));
-		p->ports[0] = NULL;
+	if (!plugin->ports) {
+		plugin->ports = (LilvPort**)malloc(sizeof(LilvPort*));
+		plugin->ports[0] = NULL;
 
 		SordIter* ports = lilv_world_query_internal(
-			p->world,
-			p->plugin_uri->node,
-			p->world->uris.lv2_port,
+			plugin->world,
+			plugin->plugin_uri->node,
+			plugin->world->uris.lv2_port,
 			NULL);
 
 		FOREACH_MATCH(ports) {
 			const SordNode* port = sord_iter_get_node(ports, SORD_OBJECT);
 			LilvNode* index = lilv_plugin_get_unique(
-				p, port, p->world->uris.lv2_index);
+				plugin, port, plugin->world->uris.lv2_index);
 			LilvNode* symbol = lilv_plugin_get_unique(
-				p, port, p->world->uris.lv2_symbol);
+				plugin, port, plugin->world->uris.lv2_symbol);
 
 			if (!lilv_node_is_string(symbol) ||
 			    !is_symbol((const char*)sord_node_get_string(symbol->node))) {
 				LILV_ERRORF("Plugin <%s> port symbol `%s' is invalid\n",
-				            lilv_node_as_uri(p->plugin_uri),
+				            lilv_node_as_uri(plugin->plugin_uri),
 				            lilv_node_as_string(symbol));
 				lilv_node_free(symbol);
 				lilv_node_free(index);
-				lilv_plugin_free_ports(p);
+				lilv_plugin_free_ports(plugin);
 				break;
 			}
 
 			if (!lilv_node_is_int(index)) {
 				LILV_ERRORF("Plugin <%s> port index is not an integer\n",
-				            lilv_node_as_uri(p->plugin_uri));
+				            lilv_node_as_uri(plugin->plugin_uri));
 				lilv_node_free(symbol);
 				lilv_node_free(index);
-				lilv_plugin_free_ports(p);
+				lilv_plugin_free_ports(plugin);
 				break;
 			}
 
 			uint32_t  this_index = lilv_node_as_int(index);
 			LilvPort* this_port  = NULL;
-			if (p->num_ports > this_index) {
-				this_port = p->ports[this_index];
+			if (plugin->num_ports > this_index) {
+				this_port = plugin->ports[this_index];
 			} else {
-				p->ports = (LilvPort**)realloc(
-					p->ports, (this_index + 1) * sizeof(LilvPort*));
-				memset(p->ports + p->num_ports, '\0',
-				       (this_index - p->num_ports) * sizeof(LilvPort*));
-				p->num_ports = this_index + 1;
+				plugin->ports = (LilvPort**)realloc(
+					plugin->ports, (this_index + 1) * sizeof(LilvPort*));
+				memset(plugin->ports + plugin->num_ports, '\0',
+				       (this_index - plugin->num_ports) * sizeof(LilvPort*));
+				plugin->num_ports = this_index + 1;
 			}
 
 			// Havn't seen this port yet, add it to array
 			if (!this_port) {
-				this_port = lilv_port_new(p->world,
+				this_port = lilv_port_new(plugin->world,
 				                          port,
 				                          this_index,
 				                          lilv_node_as_string(symbol));
-				p->ports[this_index] = this_port;
+				plugin->ports[this_index] = this_port;
 			}
 
 			SordIter* types = lilv_world_query_internal(
-				p->world, port, p->world->uris.rdf_a, NULL);
+				plugin->world, port, plugin->world->uris.rdf_a, NULL);
 			FOREACH_MATCH(types) {
 				const SordNode* type = sord_iter_get_node(types, SORD_OBJECT);
 				if (sord_node_get_type(type) == SORD_URI) {
 					zix_tree_insert(
 						(ZixTree*)this_port->classes,
-						lilv_node_new_from_node(p->world, type), NULL);
+						lilv_node_new_from_node(plugin->world, type), NULL);
 				} else {
 					LILV_WARNF("Plugin <%s> port type is not a URI\n",
-					           lilv_node_as_uri(p->plugin_uri));
+					           lilv_node_as_uri(plugin->plugin_uri));
 				}
 			}
 			sord_iter_free(types);
@@ -344,11 +345,11 @@ lilv_plugin_load_ports_if_necessary(const LilvPlugin* const_p)
 		sord_iter_free(ports);
 
 		// Check sanity
-		for (uint32_t i = 0; i < p->num_ports; ++i) {
-			if (!p->ports[i]) {
+		for (uint32_t i = 0; i < plugin->num_ports; ++i) {
+			if (!plugin->ports[i]) {
 				LILV_ERRORF("Plugin <%s> is missing port %d/%d\n",
-				            lilv_node_as_uri(p->plugin_uri), i, p->num_ports);
-				lilv_plugin_free_ports(p);
+				            lilv_node_as_uri(plugin->plugin_uri), i, plugin->num_ports);
+				lilv_plugin_free_ports(plugin);
 				break;
 			}
 		}
@@ -356,68 +357,67 @@ lilv_plugin_load_ports_if_necessary(const LilvPlugin* const_p)
 }
 
 void
-lilv_plugin_load_if_necessary(const LilvPlugin* p)
+lilv_plugin_load_if_necessary(const LilvPlugin* plugin)
 {
-	if (!p->loaded) {
-		lilv_plugin_load((LilvPlugin*)p);
+	if (!plugin->loaded) {
+		lilv_plugin_load((LilvPlugin*)plugin);
 	}
 }
 
 LILV_API const LilvNode*
-lilv_plugin_get_uri(const LilvPlugin* p)
+lilv_plugin_get_uri(const LilvPlugin* plugin)
 {
-	return p->plugin_uri;
+	return plugin->plugin_uri;
 }
 
 LILV_API const LilvNode*
-lilv_plugin_get_bundle_uri(const LilvPlugin* p)
+lilv_plugin_get_bundle_uri(const LilvPlugin* plugin)
 {
-	return p->bundle_uri;
+	return plugin->bundle_uri;
 }
 
 LILV_API const LilvNode*
-lilv_plugin_get_library_uri(const LilvPlugin* const_p)
+lilv_plugin_get_library_uri(const LilvPlugin* plugin)
 {
-	LilvPlugin* p = (LilvPlugin*)const_p;
-	lilv_plugin_load_if_necessary(p);
-	if (!p->binary_uri) {
+	lilv_plugin_load_if_necessary((LilvPlugin*)plugin);
+	if (!plugin->binary_uri) {
 		// <plugin> lv2:binary ?binary
-		SordIter* i = lilv_world_query_internal(p->world,
-		                                        p->plugin_uri->node,
-		                                        p->world->uris.lv2_binary,
+		SordIter* i = lilv_world_query_internal(plugin->world,
+		                                        plugin->plugin_uri->node,
+		                                        plugin->world->uris.lv2_binary,
 		                                        NULL);
 		FOREACH_MATCH(i) {
 			const SordNode* binary_node = sord_iter_get_node(i, SORD_OBJECT);
 			if (sord_node_get_type(binary_node) == SORD_URI) {
-				p->binary_uri = lilv_node_new_from_node(p->world, binary_node);
+				((LilvPlugin*)plugin)->binary_uri =
+					lilv_node_new_from_node(plugin->world, binary_node);
 				break;
 			}
 		}
 		sord_iter_free(i);
 	}
-	if (!p->binary_uri) {
+	if (!plugin->binary_uri) {
 		LILV_WARNF("Plugin <%s> has no lv2:binary\n",
-		           lilv_node_as_uri(lilv_plugin_get_uri(p)));
+		           lilv_node_as_uri(lilv_plugin_get_uri(plugin)));
 	}
-	return p->binary_uri;
+	return plugin->binary_uri;
 }
 
 LILV_API const LilvNodes*
-lilv_plugin_get_data_uris(const LilvPlugin* p)
+lilv_plugin_get_data_uris(const LilvPlugin* plugin)
 {
-	return p->data_uris;
+	return plugin->data_uris;
 }
 
 LILV_API const LilvPluginClass*
-lilv_plugin_get_class(const LilvPlugin* const_p)
+lilv_plugin_get_class(const LilvPlugin* plugin)
 {
-	LilvPlugin* p = (LilvPlugin*)const_p;
-	lilv_plugin_load_if_necessary(p);
-	if (!p->plugin_class) {
+	lilv_plugin_load_if_necessary((LilvPlugin*)plugin);
+	if (!plugin->plugin_class) {
 		// <plugin> a ?class
-		SordIter* c = lilv_world_query_internal(p->world,
-		                                        p->plugin_uri->node,
-		                                        p->world->uris.rdf_a,
+		SordIter* c = lilv_world_query_internal(plugin->world,
+		                                        plugin->plugin_uri->node,
+		                                        plugin->world->uris.rdf_a,
 		                                        NULL);
 		FOREACH_MATCH(c) {
 			const SordNode* class_node = sord_iter_get_node(c, SORD_OBJECT);
@@ -425,13 +425,13 @@ lilv_plugin_get_class(const LilvPlugin* const_p)
 				continue;
 			}
 
-			LilvNode* klass = lilv_node_new_from_node(p->world, class_node);
-			if (!lilv_node_equals(klass, p->world->lv2_plugin_class->uri)) {
+			LilvNode* klass = lilv_node_new_from_node(plugin->world, class_node);
+			if (!lilv_node_equals(klass, plugin->world->lv2_plugin_class->uri)) {
 				const LilvPluginClass* pclass = lilv_plugin_classes_get_by_uri(
-					p->world->plugin_classes, klass);
+					plugin->world->plugin_classes, klass);
 
 				if (pclass) {
-					p->plugin_class = pclass;
+					((LilvPlugin*)plugin)->plugin_class = pclass;
 					lilv_node_free(klass);
 					break;
 				}
@@ -441,20 +441,21 @@ lilv_plugin_get_class(const LilvPlugin* const_p)
 		}
 		sord_iter_free(c);
 
-		if (p->plugin_class == NULL) {
-			p->plugin_class = p->world->lv2_plugin_class;
+		if (plugin->plugin_class == NULL) {
+			((LilvPlugin*)plugin)->plugin_class =
+				plugin->world->lv2_plugin_class;
 		}
 	}
-	return p->plugin_class;
+	return plugin->plugin_class;
 }
 
 static LilvNodes*
-lilv_plugin_get_value_internal(const LilvPlugin* p,
+lilv_plugin_get_value_internal(const LilvPlugin* plugin,
                                const SordNode*   predicate)
 {
-	lilv_plugin_load_if_necessary(p);
+	lilv_plugin_load_if_necessary(plugin);
 	return lilv_world_find_nodes_internal(
-		p->world, p->plugin_uri->node, predicate, NULL);
+		plugin->world, plugin->plugin_uri->node, predicate, NULL);
 }
 
 LILV_API bool
@@ -515,27 +516,27 @@ lilv_plugin_get_name(const LilvPlugin* plugin)
 }
 
 LILV_API LilvNodes*
-lilv_plugin_get_value(const LilvPlugin* p,
+lilv_plugin_get_value(const LilvPlugin* plugin,
                       const LilvNode*   predicate)
 {
-	lilv_plugin_load_if_necessary(p);
-	return lilv_world_find_nodes(p->world, p->plugin_uri, predicate, NULL);
+	lilv_plugin_load_if_necessary(plugin);
+	return lilv_world_find_nodes(plugin->world, plugin->plugin_uri, predicate, NULL);
 }
 
 LILV_API uint32_t
-lilv_plugin_get_num_ports(const LilvPlugin* p)
+lilv_plugin_get_num_ports(const LilvPlugin* plugin)
 {
-	lilv_plugin_load_ports_if_necessary(p);
-	return p->num_ports;
+	lilv_plugin_load_ports_if_necessary(plugin);
+	return plugin->num_ports;
 }
 
 LILV_API void
-lilv_plugin_get_port_ranges_float(const LilvPlugin* p,
+lilv_plugin_get_port_ranges_float(const LilvPlugin* plugin,
                                   float*            min_values,
                                   float*            max_values,
                                   float*            def_values)
 {
-	lilv_plugin_load_ports_if_necessary(p);
+	lilv_plugin_load_ports_if_necessary(plugin);
 	LilvNode*  min    = NULL;
 	LilvNode*  max    = NULL;
 	LilvNode*  def    = NULL;
@@ -543,8 +544,8 @@ lilv_plugin_get_port_ranges_float(const LilvPlugin* p,
 	LilvNode** maxptr = max_values ? &max : NULL;
 	LilvNode** defptr = def_values ? &def : NULL;
 
-	for (uint32_t i = 0; i < p->num_ports; ++i) {
-		lilv_port_get_range(p, p->ports[i], defptr, minptr, maxptr);
+	for (uint32_t i = 0; i < plugin->num_ports; ++i) {
+		lilv_port_get_range(plugin, plugin->ports[i], defptr, minptr, maxptr);
 
 		if (min_values) {
 			if (lilv_node_is_float(min) || lilv_node_is_int(min)) {
@@ -577,11 +578,11 @@ lilv_plugin_get_port_ranges_float(const LilvPlugin* p,
 }
 
 LILV_API uint32_t
-lilv_plugin_get_num_ports_of_class_va(const LilvPlugin* p,
+lilv_plugin_get_num_ports_of_class_va(const LilvPlugin* plugin,
                                       const LilvNode*   class_1,
                                       va_list           args)
 {
-	lilv_plugin_load_ports_if_necessary(p);
+	lilv_plugin_load_ports_if_necessary(plugin);
 
 	uint32_t count = 0;
 
@@ -595,12 +596,12 @@ lilv_plugin_get_num_ports_of_class_va(const LilvPlugin* p,
 	}
 
 	// Check each port against every type
-	for (unsigned i = 0; i < p->num_ports; ++i) {
-		LilvPort* port = p->ports[i];
-		if (port && lilv_port_is_a(p, port, class_1)) {
+	for (unsigned i = 0; i < plugin->num_ports; ++i) {
+		LilvPort* port = plugin->ports[i];
+		if (port && lilv_port_is_a(plugin, port, class_1)) {
 			bool matches = true;
 			for (size_t j = 0; j < n_classes; ++j) {
-				if (!lilv_port_is_a(p, port, classes[j])) {
+				if (!lilv_port_is_a(plugin, port, classes[j])) {
 					matches = false;
 					break;
 				}
@@ -617,41 +618,41 @@ lilv_plugin_get_num_ports_of_class_va(const LilvPlugin* p,
 }
 
 LILV_API uint32_t
-lilv_plugin_get_num_ports_of_class(const LilvPlugin* p,
+lilv_plugin_get_num_ports_of_class(const LilvPlugin* plugin,
                                    const LilvNode*   class_1, ...)
 {
 	va_list args;
 	va_start(args, class_1);
 
-	uint32_t count = lilv_plugin_get_num_ports_of_class_va(p, class_1, args);
+	uint32_t count = lilv_plugin_get_num_ports_of_class_va(plugin, class_1, args);
 
 	va_end(args);
 	return count;
 }
 
 LILV_API bool
-lilv_plugin_has_latency(const LilvPlugin* p)
+lilv_plugin_has_latency(const LilvPlugin* plugin)
 {
-	lilv_plugin_load_if_necessary(p);
+	lilv_plugin_load_if_necessary(plugin);
 	SordIter* ports = lilv_world_query_internal(
-		p->world,
-		p->plugin_uri->node,
-		p->world->uris.lv2_port,
+		plugin->world,
+		plugin->plugin_uri->node,
+		plugin->world->uris.lv2_port,
 		NULL);
 
 	bool ret = false;
 	FOREACH_MATCH(ports) {
 		const SordNode* port = sord_iter_get_node(ports, SORD_OBJECT);
 		SordIter*       prop = lilv_world_query_internal(
-			p->world,
+			plugin->world,
 			port,
-			p->world->uris.lv2_portProperty,
-			p->world->uris.lv2_reportsLatency);
+			plugin->world->uris.lv2_portProperty,
+			plugin->world->uris.lv2_reportsLatency);
 		SordIter* des = lilv_world_query_internal(
-			p->world,
+			plugin->world,
 			port,
-			p->world->uris.lv2_designation,
-			p->world->uris.lv2_latency);
+			plugin->world->uris.lv2_designation,
+			plugin->world->uris.lv2_latency);
 		const bool latent = !sord_iter_end(prop) || !sord_iter_end(des);
 		sord_iter_free(prop);
 		sord_iter_free(des);
@@ -717,12 +718,12 @@ lilv_plugin_get_port_by_designation(const LilvPlugin* plugin,
 }
 
 LILV_API uint32_t
-lilv_plugin_get_latency_port_index(const LilvPlugin* p)
+lilv_plugin_get_latency_port_index(const LilvPlugin* plugin)
 {
 	const LilvPort* prop_port = lilv_plugin_get_port_by_property(
-		p, p->world->uris.lv2_reportsLatency);
+		plugin, plugin->world->uris.lv2_reportsLatency);
 	const LilvPort* des_port = lilv_plugin_get_port_by_property(
-		p, p->world->uris.lv2_latency);
+		plugin, plugin->world->uris.lv2_latency);
 	if (prop_port) {
 		return prop_port->index;
 	} else if (des_port) {
@@ -733,17 +734,17 @@ lilv_plugin_get_latency_port_index(const LilvPlugin* p)
 }
 
 LILV_API bool
-lilv_plugin_has_feature(const LilvPlugin* p,
+lilv_plugin_has_feature(const LilvPlugin* plugin,
                         const LilvNode*   feature)
 {
-	lilv_plugin_load_if_necessary(p);
-	const SordNode* predicates[] = { p->world->uris.lv2_requiredFeature,
-	                                 p->world->uris.lv2_optionalFeature,
+	lilv_plugin_load_if_necessary(plugin);
+	const SordNode* predicates[] = { plugin->world->uris.lv2_requiredFeature,
+	                                 plugin->world->uris.lv2_optionalFeature,
 	                                 NULL };
 
 	for (const SordNode** pred = predicates; *pred; ++pred) {
 		if (lilv_world_ask_internal(
-			    p->world, p->plugin_uri->node, *pred, feature->node)) {
+			    plugin->world, plugin->plugin_uri->node, *pred, feature->node)) {
 			return true;
 		}
 	}
@@ -751,10 +752,10 @@ lilv_plugin_has_feature(const LilvPlugin* p,
 }
 
 LILV_API LilvNodes*
-lilv_plugin_get_supported_features(const LilvPlugin* p)
+lilv_plugin_get_supported_features(const LilvPlugin* plugin)
 {
-	LilvNodes* optional = lilv_plugin_get_optional_features(p);
-	LilvNodes* required = lilv_plugin_get_required_features(p);
+	LilvNodes* optional = lilv_plugin_get_optional_features(plugin);
+	LilvNodes* required = lilv_plugin_get_required_features(plugin);
 	LilvNodes* result   = lilv_nodes_merge(optional, required);
 	lilv_nodes_free(optional);
 	lilv_nodes_free(required);
@@ -762,27 +763,27 @@ lilv_plugin_get_supported_features(const LilvPlugin* p)
 }
 
 LILV_API LilvNodes*
-lilv_plugin_get_optional_features(const LilvPlugin* p)
+lilv_plugin_get_optional_features(const LilvPlugin* plugin)
 {
-	lilv_plugin_load_if_necessary(p);
-	return lilv_world_find_nodes_internal(p->world,
-	                                      p->plugin_uri->node,
-	                                      p->world->uris.lv2_optionalFeature,
+	lilv_plugin_load_if_necessary(plugin);
+	return lilv_world_find_nodes_internal(plugin->world,
+	                                      plugin->plugin_uri->node,
+	                                      plugin->world->uris.lv2_optionalFeature,
 	                                      NULL);
 }
 
 LILV_API LilvNodes*
-lilv_plugin_get_required_features(const LilvPlugin* p)
+lilv_plugin_get_required_features(const LilvPlugin* plugin)
 {
-	lilv_plugin_load_if_necessary(p);
-	return lilv_world_find_nodes_internal(p->world,
-	                                      p->plugin_uri->node,
-	                                      p->world->uris.lv2_requiredFeature,
+	lilv_plugin_load_if_necessary(plugin);
+	return lilv_world_find_nodes_internal(plugin->world,
+	                                      plugin->plugin_uri->node,
+	                                      plugin->world->uris.lv2_requiredFeature,
 	                                      NULL);
 }
 
 LILV_API bool
-lilv_plugin_has_extension_data(const LilvPlugin* p,
+lilv_plugin_has_extension_data(const LilvPlugin* plugin,
                                const LilvNode*   uri)
 {
 	if (!lilv_node_is_uri(uri)) {
@@ -791,39 +792,39 @@ lilv_plugin_has_extension_data(const LilvPlugin* p,
 		return false;
 	}
 
-	lilv_plugin_load_if_necessary(p);
+	lilv_plugin_load_if_necessary(plugin);
 	return lilv_world_ask_internal(
-		p->world,
-		p->plugin_uri->node,
-		p->world->uris.lv2_extensionData,
+		plugin->world,
+		plugin->plugin_uri->node,
+		plugin->world->uris.lv2_extensionData,
 		uri->node);
 }
 
 LILV_API LilvNodes*
-lilv_plugin_get_extension_data(const LilvPlugin* p)
+lilv_plugin_get_extension_data(const LilvPlugin* plugin)
 {
-	return lilv_plugin_get_value_internal(p, p->world->uris.lv2_extensionData);
+	return lilv_plugin_get_value_internal(plugin, plugin->world->uris.lv2_extensionData);
 }
 
 LILV_API const LilvPort*
-lilv_plugin_get_port_by_index(const LilvPlugin* p,
+lilv_plugin_get_port_by_index(const LilvPlugin* plugin,
                               uint32_t          index)
 {
-	lilv_plugin_load_ports_if_necessary(p);
-	if (index < p->num_ports) {
-		return p->ports[index];
+	lilv_plugin_load_ports_if_necessary(plugin);
+	if (index < plugin->num_ports) {
+		return plugin->ports[index];
 	} else {
 		return NULL;
 	}
 }
 
 LILV_API const LilvPort*
-lilv_plugin_get_port_by_symbol(const LilvPlugin* p,
+lilv_plugin_get_port_by_symbol(const LilvPlugin* plugin,
                                const LilvNode*   symbol)
 {
-	lilv_plugin_load_ports_if_necessary(p);
-	for (uint32_t i = 0; i < p->num_ports; ++i) {
-		LilvPort* port = p->ports[i];
+	lilv_plugin_load_ports_if_necessary(plugin);
+	for (uint32_t i = 0; i < plugin->num_ports; ++i) {
+		LilvPort* port = plugin->ports[i];
 		if (lilv_node_equals(port->symbol, symbol)) {
 			return port;
 		}
@@ -833,19 +834,19 @@ lilv_plugin_get_port_by_symbol(const LilvPlugin* p,
 }
 
 LILV_API LilvNode*
-lilv_plugin_get_project(const LilvPlugin* p)
+lilv_plugin_get_project(const LilvPlugin* plugin)
 {
-	lilv_plugin_load_if_necessary(p);
+	lilv_plugin_load_if_necessary(plugin);
 
-	SordNode* lv2_project = sord_new_uri(p->world->world,
+	SordNode* lv2_project = sord_new_uri(plugin->world->world,
 	                                     (const uint8_t*)LV2_CORE__project);
 
-	SordIter* projects = lilv_world_query_internal(p->world,
-	                                               p->plugin_uri->node,
+	SordIter* projects = lilv_world_query_internal(plugin->world,
+	                                               plugin->plugin_uri->node,
 	                                               lv2_project,
 	                                               NULL);
 
-	sord_node_free(p->world->world, lv2_project);
+	sord_node_free(plugin->world->world, lv2_project);
 
 	if (sord_iter_end(projects)) {
 		sord_iter_free(projects);
@@ -855,34 +856,34 @@ lilv_plugin_get_project(const LilvPlugin* p)
 	const SordNode* project = sord_iter_get_node(projects, SORD_OBJECT);
 
 	sord_iter_free(projects);
-	return lilv_node_new_from_node(p->world, project);
+	return lilv_node_new_from_node(plugin->world, project);
 }
 
 static const SordNode*
-lilv_plugin_get_author(const LilvPlugin* p)
+lilv_plugin_get_author(const LilvPlugin* plugin)
 {
-	lilv_plugin_load_if_necessary(p);
+	lilv_plugin_load_if_necessary(plugin);
 
 	SordNode* doap_maintainer = sord_new_uri(
-		p->world->world, NS_DOAP "maintainer");
+		plugin->world->world, NS_DOAP "maintainer");
 
 	SordIter* maintainers = lilv_world_query_internal(
-		p->world,
-		p->plugin_uri->node,
+		plugin->world,
+		plugin->plugin_uri->node,
 		doap_maintainer,
 		NULL);
 
 	if (sord_iter_end(maintainers)) {
 		sord_iter_free(maintainers);
 
-		LilvNode* project = lilv_plugin_get_project(p);
+		LilvNode* project = lilv_plugin_get_project(plugin);
 		if (!project) {
-			sord_node_free(p->world->world, doap_maintainer);
+			sord_node_free(plugin->world->world, doap_maintainer);
 			return NULL;
 		}
 
 		maintainers = lilv_world_query_internal(
-			p->world,
+			plugin->world,
 			project->node,
 			doap_maintainer,
 			NULL);
@@ -890,7 +891,7 @@ lilv_plugin_get_author(const LilvPlugin* p)
 		lilv_node_free(project);
 	}
 
-	sord_node_free(p->world->world, doap_maintainer);
+	sord_node_free(plugin->world->world, doap_maintainer);
 
 	if (sord_iter_end(maintainers)) {
 		sord_iter_free(maintainers);
@@ -942,28 +943,28 @@ lilv_plugin_is_replaced(const LilvPlugin* plugin)
 }
 
 LILV_API LilvUIs*
-lilv_plugin_get_uis(const LilvPlugin* p)
+lilv_plugin_get_uis(const LilvPlugin* plugin)
 {
-	lilv_plugin_load_if_necessary(p);
+	lilv_plugin_load_if_necessary(plugin);
 
-	SordNode* ui_ui_node = sord_new_uri(p->world->world,
+	SordNode* ui_ui_node = sord_new_uri(plugin->world->world,
 	                                    (const uint8_t*)LV2_UI__ui);
-	SordNode* ui_binary_node = sord_new_uri(p->world->world,
+	SordNode* ui_binary_node = sord_new_uri(plugin->world->world,
 	                                        (const uint8_t*)LV2_UI__binary);
 
 	LilvUIs*  result = lilv_uis_new();
-	SordIter* uis    = lilv_world_query_internal(p->world,
-	                                             p->plugin_uri->node,
+	SordIter* uis    = lilv_world_query_internal(plugin->world,
+	                                             plugin->plugin_uri->node,
 	                                             ui_ui_node,
 	                                             NULL);
 
 	FOREACH_MATCH(uis) {
 		const SordNode* ui = sord_iter_get_node(uis, SORD_OBJECT);
 
-		LilvNode* type   = lilv_plugin_get_unique(p, ui, p->world->uris.rdf_a);
-		LilvNode* binary = lilv_plugin_get_one(p, ui, p->world->uris.lv2_binary);
+		LilvNode* type   = lilv_plugin_get_unique(plugin, ui, plugin->world->uris.rdf_a);
+		LilvNode* binary = lilv_plugin_get_one(plugin, ui, plugin->world->uris.lv2_binary);
 		if (!binary) {
-			binary = lilv_plugin_get_unique(p, ui, ui_binary_node);
+			binary = lilv_plugin_get_unique(plugin, ui, ui_binary_node);
 		}
 
 		if (sord_node_get_type(ui) != SORD_URI
@@ -976,8 +977,8 @@ lilv_plugin_get_uis(const LilvPlugin* p)
 		}
 
 		LilvUI* lilv_ui = lilv_ui_new(
-			p->world,
-			lilv_node_new_from_node(p->world, ui),
+			plugin->world,
+			lilv_node_new_from_node(plugin->world, ui),
 			type,
 			binary);
 
@@ -985,8 +986,8 @@ lilv_plugin_get_uis(const LilvPlugin* p)
 	}
 	sord_iter_free(uis);
 
-	sord_node_free(p->world->world, ui_binary_node);
-	sord_node_free(p->world->world, ui_ui_node);
+	sord_node_free(plugin->world->world, ui_binary_node);
+	sord_node_free(plugin->world->world, ui_ui_node);
 
 	if (lilv_uis_size(result) > 0) {
 		return result;
diff --git a/src/port.c b/src/port.c
index 3ddc9b7..fcc32fc 100644
--- a/src/port.c
+++ b/src/port.c
@@ -65,30 +65,30 @@ lilv_port_is_a(const LilvPlugin* plugin,
 }
 
 LILV_API bool
-lilv_port_has_property(const LilvPlugin* p,
+lilv_port_has_property(const LilvPlugin* plugin,
                        const LilvPort*   port,
                        const LilvNode*   property)
 {
-	return lilv_world_ask_internal(p->world,
+	return lilv_world_ask_internal(plugin->world,
 	                               port->node->node,
-	                               p->world->uris.lv2_portProperty,
+	                               plugin->world->uris.lv2_portProperty,
 	                               property->node);
 }
 
 LILV_API bool
-lilv_port_supports_event(const LilvPlugin* p,
+lilv_port_supports_event(const LilvPlugin* plugin,
                          const LilvPort*   port,
-                         const LilvNode*   event)
+                         const LilvNode*   event_type)
 {
 	const uint8_t* predicates[] = { (const uint8_t*)LV2_EVENT__supportsEvent,
 	                                (const uint8_t*)LV2_ATOM__supports,
 	                                NULL };
 
 	for (const uint8_t** pred = predicates; *pred; ++pred) {
-		if (lilv_world_ask_internal(p->world,
+		if (lilv_world_ask_internal(plugin->world,
 		                            port->node->node,
-		                            sord_new_uri(p->world->world, *pred),
-		                            event->node)) {
+		                            sord_new_uri(plugin->world->world, *pred),
+		                            event_type->node)) {
 			return true;
 		}
 	}
@@ -96,11 +96,11 @@ lilv_port_supports_event(const LilvPlugin* p,
 }
 
 static LilvNodes*
-lilv_port_get_value_by_node(const LilvPlugin* p,
+lilv_port_get_value_by_node(const LilvPlugin* plugin,
                             const LilvPort*   port,
                             const SordNode*   predicate)
 {
-	return lilv_world_find_nodes_internal(p->world,
+	return lilv_world_find_nodes_internal(plugin->world,
 	                                      port->node->node,
 	                                      predicate,
 	                                      NULL);
@@ -114,7 +114,7 @@ lilv_port_get_node(const LilvPlugin* plugin,
 }
 
 LILV_API LilvNodes*
-lilv_port_get_value(const LilvPlugin* p,
+lilv_port_get_value(const LilvPlugin* plugin,
                     const LilvPort*   port,
                     const LilvNode*   predicate)
 {
@@ -124,15 +124,15 @@ lilv_port_get_value(const LilvPlugin* p,
 		return NULL;
 	}
 
-	return lilv_port_get_value_by_node(p, port, predicate->node);
+	return lilv_port_get_value_by_node(plugin, port, predicate->node);
 }
 
 LILV_API LilvNode*
-lilv_port_get(const LilvPlugin* p,
+lilv_port_get(const LilvPlugin* plugin,
               const LilvPort*   port,
               const LilvNode*   predicate)
 {
-	LilvNodes* values = lilv_port_get_value(p, port, predicate);
+	LilvNodes* values = lilv_port_get_value(plugin, port, predicate);
 
 	LilvNode* value = lilv_node_duplicate(
 		values ? lilv_nodes_get_first(values) : NULL);
@@ -142,25 +142,25 @@ lilv_port_get(const LilvPlugin* p,
 }
 
 LILV_API uint32_t
-lilv_port_get_index(const LilvPlugin* p,
+lilv_port_get_index(const LilvPlugin* plugin,
                     const LilvPort*   port)
 {
 	return port->index;
 }
 
 LILV_API const LilvNode*
-lilv_port_get_symbol(const LilvPlugin* p,
+lilv_port_get_symbol(const LilvPlugin* plugin,
                      const LilvPort*   port)
 {
 	return port->symbol;
 }
 
 LILV_API LilvNode*
-lilv_port_get_name(const LilvPlugin* p,
+lilv_port_get_name(const LilvPlugin* plugin,
                    const LilvPort*   port)
 {
 	LilvNodes* results = lilv_port_get_value_by_node(
-		p, port, p->world->uris.lv2_name);
+		plugin, port, plugin->world->uris.lv2_name);
 
 	LilvNode* ret = NULL;
 	if (results) {
@@ -173,21 +173,21 @@ lilv_port_get_name(const LilvPlugin* p,
 
 	if (!ret) {
 		LILV_WARNF("Plugin <%s> port has no (mandatory) doap:name\n",
-		           lilv_node_as_string(lilv_plugin_get_uri(p)));
+		           lilv_node_as_string(lilv_plugin_get_uri(plugin)));
 	}
 
 	return ret;
 }
 
 LILV_API const LilvNodes*
-lilv_port_get_classes(const LilvPlugin* p,
+lilv_port_get_classes(const LilvPlugin* plugin,
                       const LilvPort*   port)
 {
 	return port->classes;
 }
 
 LILV_API void
-lilv_port_get_range(const LilvPlugin* p,
+lilv_port_get_range(const LilvPlugin* plugin,
                     const LilvPort*   port,
                     LilvNode**        def,
                     LilvNode**        min,
@@ -195,7 +195,7 @@ lilv_port_get_range(const LilvPlugin* p,
 {
 	if (def) {
 		LilvNodes* defaults = lilv_port_get_value_by_node(
-			p, port, p->world->uris.lv2_default);
+			plugin, port, plugin->world->uris.lv2_default);
 		*def = defaults
 			? lilv_node_duplicate(lilv_nodes_get_first(defaults))
 			: NULL;
@@ -203,7 +203,7 @@ lilv_port_get_range(const LilvPlugin* p,
 	}
 	if (min) {
 		LilvNodes* minimums = lilv_port_get_value_by_node(
-			p, port, p->world->uris.lv2_minimum);
+			plugin, port, plugin->world->uris.lv2_minimum);
 		*min = minimums
 			? lilv_node_duplicate(lilv_nodes_get_first(minimums))
 			: NULL;
@@ -211,7 +211,7 @@ lilv_port_get_range(const LilvPlugin* p,
 	}
 	if (max) {
 		LilvNodes* maximums = lilv_port_get_value_by_node(
-			p, port, p->world->uris.lv2_maximum);
+			plugin, port, plugin->world->uris.lv2_maximum);
 		*max = maximums
 			? lilv_node_duplicate(lilv_nodes_get_first(maximums))
 			: NULL;
@@ -220,13 +220,13 @@ lilv_port_get_range(const LilvPlugin* p,
 }
 
 LILV_API LilvScalePoints*
-lilv_port_get_scale_points(const LilvPlugin* p,
+lilv_port_get_scale_points(const LilvPlugin* plugin,
                            const LilvPort*   port)
 {
 	SordIter* points = lilv_world_query_internal(
-		p->world,
+		plugin->world,
 		port->node->node,
-		sord_new_uri(p->world->world, (const uint8_t*)LV2_CORE__scalePoint),
+		sord_new_uri(plugin->world->world, (const uint8_t*)LV2_CORE__scalePoint),
 		NULL);
 
 	LilvScalePoints* ret = NULL;
@@ -237,13 +237,13 @@ lilv_port_get_scale_points(const LilvPlugin* p,
 	FOREACH_MATCH(points) {
 		const SordNode* point = sord_iter_get_node(points, SORD_OBJECT);
 
-		LilvNode* value = lilv_plugin_get_unique(p,
+		LilvNode* value = lilv_plugin_get_unique(plugin,
 		                                         point,
-		                                         p->world->uris.rdf_value);
+		                                         plugin->world->uris.rdf_value);
 
-		LilvNode* label = lilv_plugin_get_unique(p,
+		LilvNode* label = lilv_plugin_get_unique(plugin,
 		                                         point,
-		                                         p->world->uris.rdfs_label);
+		                                         plugin->world->uris.rdfs_label);
 
 		if (value && label) {
 			zix_tree_insert(
@@ -257,12 +257,12 @@ lilv_port_get_scale_points(const LilvPlugin* p,
 }
 
 LILV_API LilvNodes*
-lilv_port_get_properties(const LilvPlugin* p,
+lilv_port_get_properties(const LilvPlugin* plugin,
                          const LilvPort*   port)
 {
 	LilvNode* pred = lilv_node_new_from_node(
-		p->world, p->world->uris.lv2_portProperty);
-	LilvNodes* ret = lilv_port_get_value(p, port, pred);
+		plugin->world, plugin->world->uris.lv2_portProperty);
+	LilvNodes* ret = lilv_port_get_value(plugin, port, pred);
 	lilv_node_free(pred);
 	return ret;
 }
diff --git a/src/scalepoint.c b/src/scalepoint.c
index 55c2315..349b2b3 100644
--- a/src/scalepoint.c
+++ b/src/scalepoint.c
@@ -37,13 +37,13 @@ lilv_scale_point_free(LilvScalePoint* point)
 }
 
 LILV_API const LilvNode*
-lilv_scale_point_get_value(const LilvScalePoint* p)
+lilv_scale_point_get_value(const LilvScalePoint* point)
 {
-	return p->value;
+	return point->value;
 }
 
 LILV_API const LilvNode*
-lilv_scale_point_get_label(const LilvScalePoint* p)
+lilv_scale_point_get_label(const LilvScalePoint* point)
 {
-	return p->label;
+	return point->label;
 }
diff --git a/src/ui.c b/src/ui.c
index 0f4f2f6..e3a9b2b 100644
--- a/src/ui.c
+++ b/src/ui.c
@@ -93,9 +93,9 @@ lilv_ui_get_classes(const LilvUI* ui)
 }
 
 LILV_API bool
-lilv_ui_is_a(const LilvUI* ui, const LilvNode* ui_class_uri)
+lilv_ui_is_a(const LilvUI* ui, const LilvNode* class_uri)
 {
-	return lilv_nodes_contains(ui->classes, ui_class_uri);
+	return lilv_nodes_contains(ui->classes, class_uri);
 }
 
 LILV_API const LilvNode*
diff --git a/src/world.c b/src/world.c
index b755724..1858569 100644
--- a/src/world.c
+++ b/src/world.c
@@ -168,21 +168,21 @@ lilv_world_free(LilvWorld* world)
 
 LILV_API void
 lilv_world_set_option(LilvWorld*      world,
-                      const char*     option,
+                      const char*     uri,
                       const LilvNode* value)
 {
-	if (!strcmp(option, LILV_OPTION_DYN_MANIFEST)) {
+	if (!strcmp(uri, LILV_OPTION_DYN_MANIFEST)) {
 		if (lilv_node_is_bool(value)) {
 			world->opt.dyn_manifest = lilv_node_as_bool(value);
 			return;
 		}
-	} else if (!strcmp(option, LILV_OPTION_FILTER_LANG)) {
+	} else if (!strcmp(uri, LILV_OPTION_FILTER_LANG)) {
 		if (lilv_node_is_bool(value)) {
 			world->opt.filter_language = lilv_node_as_bool(value);
 			return;
 		}
 	}
-	LILV_WARNF("Unrecognized or invalid option `%s'\n", option);
+	LILV_WARNF("Unrecognized or invalid option `%s'\n", uri);
 }
 
 LILV_API LilvNodes*