FreeBSD/Linux Kernel Cross Reference
sys/net/nonet.c

     /*
      * net/nonet.c
      *
      * Dummy functions to allow us to configure network support entirely
      * out of the kernel.
      *
      * Distributed under the terms of the GNU GPL version 2.
      * Copyright (c) Matthew Wilcox 2003
      */
    
    #include <linux/module.h>
    #include <linux/errno.h>
    #include <linux/fs.h>
    #include <linux/init.h>
    #include <linux/kernel.h>
    
    static int sock_no_open(struct inode *irrelevant, struct file *dontcare)
    {
            return -ENXIO;
    }
    
    const struct file_operations bad_sock_fops = {
            .owner = THIS_MODULE,
            .open = sock_no_open,
            .llseek = noop_llseek,
    };

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