1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
/* Copyright (C) 1991, 1995 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., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <string.h>
/* Find the last ocurrence of C in S. */
char *
strrchr (const char *s, int c)
{
register const char *found, *p;
c = (unsigned char) c;
/* Since strchr is fast, we use it rather than the obvious loop. */
if (c == '\0')
return strchr (s, '\0');
found = NULL;
while ((p = strchr (s, c)) != NULL)
{
found = p;
s = p + 1;
}
return (char *) found;
}
#ifdef weak_alias
#undef rindex
weak_alias (strrchr, rindex)
#endif
|
