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
|
/* strchr( const char *, int )
This file is part of the Public Domain C Library (PDCLib).
Permission is granted to use, modify, and / or redistribute at will.
*/
#include <string.h>
#ifndef REGTEST
char * strchr( const char * s, int c )
{
do
{
if ( *s == ( char ) c )
{
return ( char * ) s;
}
} while ( *s++ );
return NULL;
}
#endif
#ifdef TEST
#include "_PDCLIB_test.h"
int main( void )
{
char abccd[] = "abccd";
TESTCASE( strchr( abccd, 'x' ) == NULL );
TESTCASE( strchr( abccd, 'a' ) == &abccd[0] );
TESTCASE( strchr( abccd, 'd' ) == &abccd[4] );
TESTCASE( strchr( abccd, '\0' ) == &abccd[5] );
TESTCASE( strchr( abccd, 'c' ) == &abccd[2] );
return TEST_RESULTS;
}
#endif
|
