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