outstr(conv_escape_str(*argv), outs); if (rval & 0x100)
nonl += conv_escape_str(*argv); outstr(stackblock(), outs); if (nonl > 0)
echocmd(int argc, char **argv){	int nonl = 0;	struct output *outs = out1;	if (!*++argv)		goto end;	if (equal(*argv, "-n")) {		nonl = ~nonl;		if (!*++argv)			goto end;	}	do {		char c;		outstr(conv_escape_str(*argv), outs);		if (rval & 0x100)			break;		c = ' ';		if (!*++argv) {end:			if (nonl) {				break;			}			c = '\n';		}		outc(c, outs);	} while (*argv);	return 0;}