tokenpasting.c
author Markus Bröker <mbroeker@largo.dyndns.tv>
Mon, 07 Jun 2010 23:20:47 +0200
changeset 132 54a04f5f141d
parent 77 49e0babccb23
permissions -rw-r--r--
Adjusted to show side effects and their handling When dealing with static buffers, successive calls point to the same memory location and overwrite formers ones... committer: Markus Bröker <mbroeker@largo.homelinux.org>

/**
 * tokenpasting.c
 * Copyright (C) 2008 Markus Broeker
 */

#include <stdio.h>
#include <stdlib.h>

#define a(a,b) { tsb.fd##a = b; }

struct {
    int fd1;
    int fd2;
    int fd3;
} tsb;

int main (int argc, char **argv)
{
    a (1, 10);
    a (2, 20);
    a (3, 30);

    printf ("1=[%d] 2=[%d] 3=[%d]\n", tsb.fd1, tsb.fd2, tsb.fd3);

    return EXIT_SUCCESS;
}