/in/foo.c: In function 'FindSecondMax':
/in/foo.c:49:8: warning: 'location' may be used uninitialized in this function [-Wmaybe-uninitialized]
  int i,location,t=0;
        ^~~~~~~~
/in/foo.c: In function 'search':
/in/foo.c:60:9: warning: 'location' may be used uninitialized in this function [-Wmaybe-uninitialized]
  return location;
         ^~~~~~~~
/in/foo.c: In function 'searcher':
/in/foo.c:73:9: warning: 'location' may be used uninitialized in this function [-Wmaybe-uninitialized]
  return location;
         ^~~~~~~~