gc_hmac_md5       167 maint/gnulib/lib/gc.h extern Gc_rc gc_hmac_md5 (const void *key, size_t keylen,
gc_hmac_md5        57 maint/gnulib/tests/test-gc-hmac-md5.c     if (gc_hmac_md5 (key, key_len, data, data_len, out) != 0)