+ 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;