#include <stdio.h>
int data;
int data;
int data;
int main(void)
{
printf("%d\n", data);
return 0;
}
The code can be compiled and run sucessfully. Is it wierd?
environment:
gcc-9 (Homebrew GCC 9.2.0_3) 9.2.0
Darwin applematoMacBook-Air.local 17.7.0 Darwin Kernel Version 17.7.0