Ultrix-3.1/src/libc/sysV/tolower.c

Compare this file to the similar file:
Show the results in this format:


/**********************************************************************
 *   Copyright (c) Digital Equipment Corporation 1984, 1985, 1986.    *
 *   All Rights Reserved. 					      *
 *   Reference "/usr/src/COPYRIGHT" for applicable restrictions.      *
 **********************************************************************/

/*	SCCSID: @(#)tolower.c	3.0	4/22/86	*/
/*	(System 5)	1.2	*/
/*	3.0 SID #	1.2	*/
/*LINTLIBRARY*/
/*
 * If arg is upper-case, return the lower-case, else return the arg.
 */

int
tolower(c)
register int c;
{
	if(c >= 'A' && c <= 'Z')
		c -= 'A' - 'a';
	return(c);
}