GT_OFF            128 third_party/zlib/gzguts.h #  define GT_OFF(x) (sizeof(int) == sizeof(z_off64_t) && (x) > INT_MAX)
GT_OFF            131 third_party/zlib/gzguts.h #  define GT_OFF(x) (sizeof(int) == sizeof(z_off64_t) && (x) > gz_intmax())