#include <stdio.h> int main(void) { void (*f)() = &foo; f(); // your code goes here return 0; }
Standard input is empty
/home/2DQSvq/ccUn15Wx.o: In function `main': prog.c:(.text+0x14): undefined reference to `foo' collect2: error: ld returned 1 exit status
Standard output is empty