(PHP 4, PHP 5)
gzrewind — Rewind the position of a gz-file pointer
Sets the file position indicator of the given gz-file pointer to the beginning of the file stream.
The gz-file pointer. It must be valid, and must point to a file successfully opened by gzopen().
성공할 경우 TRUE를, 실패할 경우 FALSE를 반환합니다.