offsetof.c

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C语言 代码 · 共 17 行

#include <stdio.h>
#include <stddef.h>

struct new_def
{  char *first;
   char second[10];
   int third;
};

void main()
  {
    printf( "first:%d second:%d third:%d\n",
        offsetof( struct new_def, first ),
        offsetof( struct new_def, second ),
        offsetof( struct new_def, third ) );
  }