1 /* strstr.c -- return the offset of one string within another
2 Copyright (C) 1989, 1990 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software Foundation,
16 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
18 /* Written by Mike Rendell <michael@cs.mun.ca>. */
20 /* Return the starting address of string S2 in S1;
21 return 0 if it is not found. */
33 for (p2 = s2, i = 0; *s; p2 = s2, i++, s++)
35 for (p1 = s; *p1 && *p2 && *p1 == *p2; p1++, p2++)