int jsonp_dtostr(char *buffer, size_t size, double value, int prec);
/* Wrappers for custom memory functions */
-void* jsonp_malloc(size_t size);
+void* jsonp_malloc(size_t size) JANSSON_ATTRS(warn_unused_result);
void jsonp_free(void *ptr);
-char *jsonp_strndup(const char *str, size_t length);
-char *jsonp_strdup(const char *str);
-char *jsonp_strndup(const char *str, size_t len);
+char *jsonp_strndup(const char *str, size_t length) JANSSON_ATTRS(warn_unused_result);
+char *jsonp_strdup(const char *str) JANSSON_ATTRS(warn_unused_result);
+char *jsonp_strndup(const char *str, size_t len) JANSSON_ATTRS(warn_unused_result);
/* Windows compatibility */