File: strcasestr.c

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// RUN: %clang %s -o %t && %run %t 2>&1

// There's no interceptor for strcasestr on Windows
// XFAIL: windows-msvc

#define _GNU_SOURCE
#include <assert.h>
#include <string.h>
int main(int argc, char **argv) {
  char *r = 0;
  char s1[] = "aB";
  char s2[] = "b";
  r = strcasestr(s1, s2);
  assert(r == s1 + 1);
  return 0;
}