network

1. 

$ man netdevice

NAME
       netdevice - low-level access to Linux network devices

SYNOPSIS
       #include <sys/ioctl.h>
       #include <net/if.h>

DESCRIPTION
       This man page describes the sockets interface which is used to configure network devices.

       Linux supports some standard ioctls to configure network devices.  They can be used on any socket's file descriptor
       regardless of the family or type.  They pass an ifreq structure:

2.

$ man 7 netlink

NAME
       netlink - communication between kernel and user space (AF_NETLINK)


SYNOPSIS
       #include <asm/types.h>
       #include <sys/socket.h>
       #include <linux/netlink.h>


       netlink_socket = socket(AF_NETLINK, socket_type, netlink_family);

3.

$ man 7 rtnetlink

NAME
       rtnetlink - Linux IPv4 routing socket


SYNOPSIS
       #include <asm/types.h>
       #include <linux/if_link.h>
       #include <linux/netlink.h>
       #include <linux/rtnetlink.h>
       #include <sys/socket.h>


       rtnetlink_socket = socket(AF_NETLINK, int socket_type, NETLINK_ROUTE);