void attach_err(int shmkey, char *name)
{
#ifdef BBSMAIN
    prints("Error! %s error! key = %x.\n", name, shmkey);
    oflush();
#else
    char buf[256];

    sprintf(buf, "Error! %s error! key = %x.", name, shmkey);
    perror(buf);
#endif
    exit(1);
}

考虑下面的调用情况：

        bbstime() - bbs_single.c        680
        attach_shm1 - stuff.c           700

这时使用BBSMAIN就应该不对
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FROM 202.112.18.*