+ TESTCASE( strpbrk( abcde, "x" ) == NULL );
+ TESTCASE( strpbrk( abcde, "xyz" ) == NULL );
+ TESTCASE( strpbrk( abcdx, "x" ) == &abcdx[4] );
+ TESTCASE( strpbrk( abcdx, "xyz" ) == &abcdx[4] );
+ TESTCASE( strpbrk( abcdx, "zyx" ) == &abcdx[4] );
+ TESTCASE( strpbrk( abcde, "a" ) == &abcde[0] );
+ TESTCASE( strpbrk( abcde, "abc" ) == &abcde[0] );
+ TESTCASE( strpbrk( abcde, "cba" ) == &abcde[0] );
+ return TEST_RESULTS;