/in/foo.c:34:5: warning: built-in function 'exp' declared as non-function
 uLL exp[20][20],fac[23],fac2[23][23],table[100];
     ^~~
/in/foo.c: In function 'ini':
/in/foo.c:60:36: warning: unused variable 'ans' [-Wunused-variable]
  uLL *s3,*f3,*p3,t,t1,t2,ans1,ans2,ans;
                                    ^~~
/in/foo.c:60:31: warning: unused variable 'ans2' [-Wunused-variable]
  uLL *s3,*f3,*p3,t,t1,t2,ans1,ans2,ans;
                               ^~~~
/in/foo.c:60:26: warning: unused variable 'ans1' [-Wunused-variable]
  uLL *s3,*f3,*p3,t,t1,t2,ans1,ans2,ans;
                          ^~~~
/in/foo.c:60:23: warning: unused variable 't2' [-Wunused-variable]
  uLL *s3,*f3,*p3,t,t1,t2,ans1,ans2,ans;
                       ^~
/in/foo.c:60:20: warning: unused variable 't1' [-Wunused-variable]
  uLL *s3,*f3,*p3,t,t1,t2,ans1,ans2,ans;
                    ^~
/in/foo.c:60:18: warning: unused variable 't' [-Wunused-variable]
  uLL *s3,*f3,*p3,t,t1,t2,ans1,ans2,ans;
                  ^
/in/foo.c: In function 'main':
/in/foo.c:242:16: warning: unused variable 'c' [-Wunused-variable]
  uLL i,j,k,a,b,c;
                ^
/in/foo.c:242:10: warning: unused variable 'k' [-Wunused-variable]
  uLL i,j,k,a,b,c;
          ^
/in/foo.c:242:8: warning: unused variable 'j' [-Wunused-variable]
  uLL i,j,k,a,b,c;
        ^
/in/foo.c:242:6: warning: unused variable 'i' [-Wunused-variable]
  uLL i,j,k,a,b,c;
      ^