usr.bin/gzip/gzip.c
1326
in_size = gz_compress(in, out, &size, basename(file), (uint32_t)isb.st_mtime);
usr.bin/gzip/gzip.c
1889
gz_compress(STDIN_FILENO, STDOUT_FILENO, &gsize, "", mtime);
usr.bin/gzip/gzip.c
235
static off_t gz_compress(int, int, off_t *, const char *, uint32_t);