modules/up/src/Core/util/strlwr.c
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FUNCTIONS
This source file includes following functions.
- strlwr
// $Id: strlwr.c,v 1.1.1.1 2000/03/10 16:32:20 engin Exp $
//
// Copyright (c) 1994 by the University of Southern California
// All rights reserved.
//
// Permission to use, copy, modify, and distribute this software and its
// documentation in source and binary forms for lawful non-commercial
// purposes and without fee is hereby granted, provided that the above
// copyright notice appear in all copies and that both the copyright
// notice and this permission notice appear in supporting documentation,
// and that any documentation, advertising materials, and other materials
// related to such distribution and use acknowledge that the software was
// developed by the University of Southern California, Information
// Sciences Institute. The name of the USC may not be used to endorse or
// promote products derived from this software without specific prior
// written permission.
//
// THE UNIVERSITY OF SOUTHERN CALIFORNIA DOES NOT MAKE ANY
// REPRESENTATIONS ABOUT THE SUITABILITY OF THIS SOFTWARE FOR ANY
// PURPOSE. THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR
// IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE,
// TITLE, AND NON-INFRINGEMENT.
//
// IN NO EVENT SHALL USC, OR ANY OTHER CONTRIBUTOR BE LIABLE FOR ANY
// SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES, WHETHER IN CONTRACT, TORT,
// OR OTHER FORM OF ACTION, ARISING OUT OF OR IN CONNECTION WITH, THE USE
// OR PERFORMANCE OF THIS SOFTWARE.
//
// Questions concerning this software should be directed to
// ratoolset@isi.edu.
//
// Author(s): WeeSan Lee <wlee@ISI.EDU>
#include <stdio.h>
#include <ctype.h>
char *strlwr(char *c)
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{
char *p;
if (!c) return NULL;
for (p = c; *p; p++)
if (isascii(*p) && isupper(*p))
*p = tolower(*p);
return c;
}