strcmp.c
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- /* Copyright (C) 1991, 1996, 1997 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
- /* Change included declaration file to misc.h. mgd@santafe.edu 1998-06-24. */
- #include <misc.h>
- /* Compare S1 and S2, returning less than, equal to or
- greater than zero if S1 is lexicographically less than,
- equal to or greater than S2. */
- int
- strcmp (p1, p2)
- const char *p1;
- const char *p2;
- {
- register const unsigned char *s1 = (const unsigned char *) p1;
- register const unsigned char *s2 = (const unsigned char *) p2;
- unsigned char c1, c2;
- do
- {
- c1 = (unsigned char) *s1++;
- c2 = (unsigned char) *s2++;
- if (c1 == ' ')
- return c1 - c2;
- }
- while (c1 == c2);
- return c1 - c2;
- }