test(hmpl): render interpolation tags

package/c/hmpl/hmpl.h

@@ -5,14 +5,14 @@
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
-#include "chectic.h"
+#include "hectic.h"
 
 void init_cjson_with_arenas(Arena *arena);
 
 char *eval(Arena *arena, const Json * const context, const char * const key);
 
 /* Modified: text is passed by reference so we can update it and free old allocations */
-void render_template_placeholders(Arena *arena, char **text_ptr, Json *context, const char * const prefix);
+void hmpl_render_interpolation_tags(Arena *arena, char **text_ptr, Json *context, const char * const prefix);
 
 void render_template_with_arena(Arena *arena, char **text, const Json * const ccontext);