1 /* PSPP - computes sample statistics.
2 Copyright (C) 1997, 1998 Free Software Foundation, Inc.
3 Written by Ben Pfaff <blp@gnu.org>.
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 This program is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
24 /* Finds the first NEEDLE of length NEEDLE_LEN in a HAYSTACK of length
25 HAYSTACK_LEN. Returns a pointer to the match or NULL on
28 memmem (const void *haystack, size_t haystack_len,
29 const void *needle, size_t needle_len)
33 if (needle_len > haystack_len)
36 for (i = 0; i <= haystack_len - needle_len; i++)
37 if (!memcmp (needle, &((const char *) haystack)[i], needle_len))
38 return (void *) (&((const char *) haystack)[i]);