gzoffset64        392 third_party/zlib/gzlib.c z_off64_t ZEXPORT gzoffset64(file)
gzoffset64        135 third_party/zlib/mozzconf.h #define gzoffset64 MOZ_Z_gzoffset64
gzoffset64         69 third_party/zlib/zconf.h #  define gzoffset64            z_gzoffset64