chr.c

来自「<B>Digital的Unix操作系统VAX 4.2源码</B>」· C语言 代码 · 共 17 行

/* Copyright (c) 1979 Regents of the University of California */

static char sccsid[] = "@(#)CHR.c 1.4 11/12/82";

char ECHR[] = "Argument to chr of %D is out of range\n";

char
CHR(value)
	unsigned long	value;
{
	if (value > 127) {
		ERROR(ECHR, value);
		return;
	}
	return (char)value;
}