/in/foo.c: In function 'Search':
/in/foo.c:15:9: warning: 'm' may be used uninitialized in this function [-Wmaybe-uninitialized]
  return m;
         ^
/in/foo.c: In function 'main':
/in/foo.c:29:2: warning: 'm' may be used uninitialized in this function [-Wmaybe-uninitialized]
  printf("%d",b);
  ^~~~~~~~~~~~~~