YAZ_EXPORT void *xrealloc_f (void *o, size_t size, const char *file, int line);
YAZ_EXPORT void *xmalloc_f (size_t size, const char *file, int line);
YAZ_EXPORT void *xcalloc_f (size_t nmemb, size_t size,
YAZ_EXPORT void *xrealloc_f (void *o, size_t size, const char *file, int line);
YAZ_EXPORT void *xmalloc_f (size_t size, const char *file, int line);
YAZ_EXPORT void *xcalloc_f (size_t nmemb, size_t size,