build_id_cache__linkname
linkname = build_id_cache__linkname(sbuild_id, NULL, 0);
linkname = build_id_cache__linkname(sbuild_id, NULL, 0);
if (!build_id_cache__linkname(sbuild_id, linkname, size))
char *filename = build_id_cache__linkname(sbuild_id, NULL, 0);
if (!build_id_cache__linkname(sbuild_id, linkname, size))
char *build_id_cache__linkname(const char *sbuild_id, char *bf, size_t size);
dir_name = build_id_cache__linkname(sbuildid, NULL, 0);