/*********************************************************************** * * * This software is part of the ast package * * Copyright (c) 1985-2007 AT&T Intellectual Property * * and is licensed under the * * Common Public License, Version 1.0 * * by AT&T Intellectual Property * * * * A copy of the License is available at * * http://www.opensource.org/licenses/cpl1.0.txt * * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * * * * Information and Software Systems Research * * AT&T Research * * Florham Park NJ * * * * Glenn Fowler <gsf@research.att.com> * * David Korn <dgk@research.att.com> * * Phong Vo <kpv@research.att.com> * * * ***********************************************************************/ #pragma prototyped #include <ast.h> #if _lib_strncasecmp NoN(strncasecmp) #else #include <ctype.h> #undef strncasecmp int strncasecmp(register const char* a, register const char* b, size_t n) { register const char* e; register int ac; register int bc; register int d; e = a + n; for (;;) { if (a >= e) return 0; ac = *a++; if (isupper(ac)) ac = tolower(ac); bc = *b++; if (isupper(bc)) bc = tolower(bc); if (d = ac - bc) return d; if (!ac) return 0; } } #endif