代码

#include <stdio.h>
#include <gnu/libc-version.h>
int main(){
  printf("gcc=%s\n", __VERSION__);
  printf("glibc_hdr=%d.%d\n", __GLIBC__, __GLIBC_MINOR__);
  printf("glibc_rt=%s\n", gnu_get_libc_version());
  printf("cplusplus=%ld\n", (long)__cplusplus);
  printf("sizeof_long=%d ptr=%d\n", (int)sizeof(long), (int)sizeof(void*));
  printf("date=%s %s\n", __DATE__, __TIME__);
  return 0;
}

评测结果