2 files changed, 16 insertions, 0 deletions
diff --git a/serd/serd.h b/serd/serd.h
index 5c0d28b9..4e99e39f 100644
--- a/serd/serd.h
+++ b/serd/serd.h
@@ -1033,6 +1033,13 @@ serd_env_foreach(const SerdEnv* env,
                  void*          handle);
 
 /**
+   Write all prefixes in `env` to `sink`.
+*/
+SERD_API
+void
+serd_env_write_prefixes(const SerdEnv* env, const SerdSink* sink);
+
+/**
    @}
    @name Sink
    @{
diff --git a/src/env.c b/src/env.c
index 921413f7..dac6fdae 100644
--- a/src/env.c
+++ b/src/env.c
@@ -325,3 +325,12 @@ serd_env_foreach(const SerdEnv* env,
 		func(handle, env->prefixes[i].name, env->prefixes[i].uri);
 	}
 }
+
+void
+serd_env_write_prefixes(const SerdEnv* env, const SerdSink* sink)
+{
+	for (size_t i = 0; i < env->n_prefixes; ++i) {
+		serd_sink_write_prefix(
+			sink, env->prefixes[i].name, env->prefixes[i].uri);
+	}
+}