blob: e7f2dd2b6eee8b8ed4860c970e13761d39674074 (
plain)
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
48
49
50
51
52
53
54
55
56
57
58
|
/*
FUNCTION
<<strpbrk>>---find chars in string
INDEX
strpbrk
ANSI_SYNOPSIS
#include <string.h>
char *strpbrk(const char *<[s1]>, const char *<[s2]>);
TRAD_SYNOPSIS
#include <string.h>
char *strpbrk(<[s1]>, <[s2]>)
char *<[s1]>;
char *<[s2]>;
DESCRIPTION
This function locates the first occurence in the string
pointed to by <[s1]> of any character in string pointed to by
<[s2]> (excluding the terminating null character).
RETURNS
<<strpbrk>> returns a pointer to the character found in <[s1]>, or a
null pointer if no character from <[s2]> occurs in <[s1]>.
PORTABILITY
<<strpbrk>> requires no supporting OS subroutines.
*/
#include <string.h>
char *
_DEFUN (strpbrk, (s1, s2),
_CONST char *s1 _AND
_CONST char *s2)
{
_CONST char *c = s2;
if (!*s1)
return (char *) NULL;
while (*s1)
{
for (c = s2; *c; c++)
{
if (*s1 == *c)
break;
}
if (*c)
break;
s1++;
}
if (*c == '\0')
s1 = NULL;
return (char *) s1;
}
|
