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  1. #include <stdio.h>
  2.  
  3. int sum(int a, int b){
  4.     return a + b;
  5. }
  6.  
  7. int main(){
  8.     void* foo = &sum;
  9.     int (*f)(int, int) = foo;
  10.     printf("Esta soma e ilegal? Soma = %d\n", f(10, 8));
  11.     return 0;
  12. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
prog.c: In function ‘main’:
prog.c:8:17: error: ISO C forbids initialization between function pointer and ‘void *’ [-Werror=pedantic]
     void* foo = &sum;
                 ^
prog.c:9:26: error: ISO C forbids initialization between function pointer and ‘void *’ [-Werror=pedantic]
     int (*f)(int, int) = foo;
                          ^~~
cc1: all warnings being treated as errors
stdout
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Standard output is empty
https://ideone.com/x1ND5G
language:
C99 (gcc 8.3)
created:
4 years ago
visibility:
public

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