1// RUN: %clang %s -o %t && %run %t 2>&1
2
3#include <assert.h>
4#include <string.h>
5int main(int argc, char **argv) {
6 char *r = 0;
7 char s1[] = "ab";
8 char s2[] = "b";
9 r = strstr(haystack: s1, needle: s2);
10 assert(r == s1 + 1);
11 return 0;
12}
13

source code of compiler-rt/test/sanitizer_common/TestCases/strstr.c