/in/foo.c: In function 'main':
/in/foo.c:13:1: warning: 'j' may be used uninitialized in this function [-Wmaybe-uninitialized]
 printf("%d",index);
 ^~~~~~~~~~~~~~~~~~
/in/foo.c: In function 'Search':
/in/foo.c:21:8: warning: 'j' may be used uninitialized in this function [-Wmaybe-uninitialized]
 return j;}
        ^
/in/foo.c:16:8: note: 'j' was declared here
 {int i,j;
        ^