ftp_cdup          131 ftp/ftp.h      int		ftp_cdup(ftpbuf_t *ftp);
ftp_cdup          251 ftp/php_ftp.c  	PHP_FE(ftp_cdup,			arginfo_ftp_cdup)
ftp_cdup          471 ftp/php_ftp.c  	if (!ftp_cdup(ftp)) {