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/* strcspn( const char *, const char * )
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
size_t strcspn( const char * s1, const char * s2 )
{
size_t len = 0;
const char * p;
while ( s1[len] )
{
p = s2;
while ( *p )
{
if ( s1[len] == *p++ )
{
return len;
}
}
++len;
}
return len;
}
#endif
#ifdef TEST
#include "_PDCLIB_test.h"
int main( void )
{
TESTCASE( strcspn( abcde, "x" ) == 5 );
TESTCASE( strcspn( abcde, "xyz" ) == 5 );
TESTCASE( strcspn( abcde, "zyx" ) == 5 );
TESTCASE( strcspn( abcdx, "x" ) == 4 );
TESTCASE( strcspn( abcdx, "xyz" ) == 4 );
TESTCASE( strcspn( abcdx, "zyx" ) == 4 );
TESTCASE( strcspn( abcde, "a" ) == 0 );
TESTCASE( strcspn( abcde, "abc" ) == 0 );
TESTCASE( strcspn( abcde, "cba" ) == 0 );
return TEST_RESULTS;
}
#endif
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