/in/foo.c: In function 'FindiMax':
/in/foo.c:20:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for(i=1;i<n;i++)
  ^~~
/in/foo.c:23:3: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
   return max;
   ^~~~~~
/in/foo.c: In function 'main':
/in/foo.c:13:2: warning: 'max' is used uninitialized in this function [-Wuninitialized]
  printf("%d",FindiMax(a,i,n,max));
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~