/* xmalloc() & friends. */
-void *xmalloc(size_t size);
-void *xrealloc(void *ptr, size_t size);
-char *xstrdup(const char *str);
+FIRM_API void *xmalloc(size_t size);
+FIRM_API void *xrealloc(void *ptr, size_t size);
+FIRM_API char *xstrdup(const char *str);
#define xfree(ptr) free(ptr)