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diff --git a/src/sratom/sratom.h b/src/sratom/sratom.h
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+/*
+  Copyright 2012 David Robillard <http://drobilla.net>
+
+  Permission to use, copy, modify, and/or distribute this software for any
+  purpose with or without fee is hereby granted, provided that the above
+  copyright notice and this permission notice appear in all copies.
+
+  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+/**
+   @file sratom.h API for Sratom, an LV2 Atom RDF serialisation library.
+*/
+
+#ifndef SRATOM_SRATOM_H
+#define SRATOM_SRATOM_H
+
+#include <stdint.h>
+
+#include "lv2/lv2plug.in/ns/ext/urid/urid.h"
+#include "lv2/lv2plug.in/ns/ext/atom/atom.h"
+#include "serd/serd.h"
+#include "sord/sord.h"
+
+#ifdef SRATOM_SHARED
+#    ifdef _WIN32
+#        define SRATOM_LIB_IMPORT __declspec(dllimport)
+#        define SRATOM_LIB_EXPORT __declspec(dllexport)
+#    else
+#        define SRATOM_LIB_IMPORT __attribute__((visibility("default")))
+#        define SRATOM_LIB_EXPORT __attribute__((visibility("default")))
+#    endif
+#    ifdef SRATOM_INTERNAL
+#        define SRATOM_API SRATOM_LIB_EXPORT
+#    else
+#        define SRATOM_API SRATOM_LIB_IMPORT
+#    endif
+#else
+#    define SRATOM_API
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+   @defgroup sratom Sratom
+   An LV2 Atom RDF serialisation library.
+   @{
+*/
+
+/**
+   Atom serialiser.
+*/
+typedef struct SratomImpl Sratom;
+
+/**
+   Create a new Atom serialiser.
+*/
+SRATOM_API
+Sratom*
+sratom_new(LV2_URID_Map* map);
+
+/**
+   Free an Atom serialisation.
+*/
+SRATOM_API
+void
+sratom_free(Sratom* sratom);
+
+/**
+   Write an Atom to RDF.
+   The resulting serialised atom is written to @p writer.
+   @return 0 on success, or a non-zero error code otherwise.
+*/
+SRATOM_API
+int
+sratom_write(Sratom*         sratom,
+             LV2_URID_Unmap* unmap,
+             SerdWriter*     writer,
+             uint32_t        flags,
+             const SerdNode* subject,
+             const SerdNode* predicate,
+             uint32_t        type,
+             uint32_t        size,
+             const void*     body);
+
+/**
+   Read an Atom from RDF.
+   The resulting atom will be written to @p forge.
+*/
+SRATOM_API
+void
+sratom_read(Sratom*         sratom,
+            LV2_Atom_Forge* forge,
+            SordWorld*      world,
+            SordModel*      model,
+            const SordNode* node);
+
+/**
+   Serialise an Atom to a Turtle string.
+   The returned string must be free()'d by the caller.
+*/
+SRATOM_API
+char*
+sratom_to_turtle(Sratom*         sratom,
+                 LV2_URID_Unmap* unmap,
+                 const char*     base_uri,
+                 const SerdNode* subject,
+                 const SerdNode* predicate,
+                 uint32_t        type,
+                 uint32_t        size,
+                 const void*     body);
+
+/**
+   Read an Atom from a Turtle string.
+   The returned atom must be free()'d by the caller.
+*/
+SRATOM_API
+LV2_Atom*
+sratom_from_turtle(Sratom*         sratom,
+                   const char*     base_uri,
+                   const SerdNode* subject,
+                   const SerdNode* predicate,
+                   const char*     str);
+
+/**
+   A convenient resizing string sink for LV2_Atom_Forge.
+   The handle must point to an initialized SerdChunk.
+*/
+SRATOM_API
+LV2_Atom_Forge_Ref
+sratom_forge_sink(LV2_Atom_Forge_Sink_Handle handle,
+                  const void*                buf,
+                  uint32_t                   size);
+
+/**
+   The corresponding deref function for sratom_forge_sink.
+*/
+SRATOM_API
+LV2_Atom*
+sratom_forge_deref(LV2_Atom_Forge_Sink_Handle handle,
+                   LV2_Atom_Forge_Ref         ref);
+
+/**
+   @}
+*/
+
+#ifdef __cplusplus
+}  /* extern "C" */
+#endif
+
+#endif  /* SRATOM_SRATOM_H */