Z_ERRNO 36 3rdparty/zlib/gzread.c gz_error(state, Z_ERRNO, zstrerror()); Z_ERRNO 593 3rdparty/zlib/gzread.c return ret ? Z_ERRNO : err; Z_ERRNO 86 3rdparty/zlib/gzwrite.c gz_error(state, Z_ERRNO, zstrerror()); Z_ERRNO 103 3rdparty/zlib/gzwrite.c gz_error(state, Z_ERRNO, zstrerror()); Z_ERRNO 574 3rdparty/zlib/gzwrite.c ret = Z_ERRNO;