1 files changed, 1 insertions, 0 deletions
diff --git a/src/proj.h b/src/proj.h
index b758663a..c98fcc1f 100644
--- a/src/proj.h
+++ b/src/proj.h
@@ -361,6 +361,7 @@ typedef struct projCtx_t PJ_CONTEXT;
 #endif
 PJ_CONTEXT PROJ_DLL *proj_context_create (void);
 PJ_CONTEXT PROJ_DLL *proj_context_destroy (PJ_CONTEXT *ctx);
+PJ_CONTEXT PROJ_DLL *proj_context_clone (PJ_CONTEXT *ctx);
 
 /** Callback to resolve a filename to a full path */
 typedef const char* (*proj_file_finder) (PJ_CONTEXT *ctx, const char*, void* user_data);