MB_CMDLINE_BUF
while ((--arg) > (char *) MB_CMDLINE_BUF && *arg != '/');
mb_cmdline = (char *) MB_CMDLINE_BUF;
mb_cmdline = (char *) MB_CMDLINE_BUF;
mb_cmdline = (char *)MB_CMDLINE_BUF;
if (mb_cmdline + len + 1 > (char *) MB_CMDLINE_BUF + MB_CMDLINE_BUFLEN)