feat(hectic C): json api

package/c/hmpl/hmpl.h

@@ -0,0 +1,22 @@
+#ifndef EPRINTF_HMPL
+#define EPRINTF_HMPL
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include "chectic.h"
+#include "cjson/cJSON.h"
+
+void init_cjson_with_arenas(Arena *arena);
+
+char *eval(Arena *arena, const cJSON * 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, cJSON *context, const char * const prefix);
+
+void render_template_with_arena(Arena *arena, char **text, const cJSON * const ccontext);
+
+void render_template(char **text, const cJSON * const context);
+
+#endif // EPRINTF_HMPL