banan-os/libc/include/net/if.h

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#ifndef _NET_IF_H
#define _NET_IF_H 1
// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/net_if.h.html
#include <sys/cdefs.h>
#include <sys/socket.h>
#define IF_NAMESIZE 16
__BEGIN_DECLS
struct if_nameindex
{
unsigned if_index; /* Numeric index of the interface. */
char* if_name; /* Null-terminated name of the interface. */
};
struct ifreq
{
union {
struct sockaddr ifru_addr;
struct sockaddr ifru_netmask;
struct sockaddr ifru_hwaddr;
unsigned char __min_storage[sizeof(sockaddr) + 6];
} ifr_ifru;
};
#define SIOCGIFADDR 1 /* Get interface address */
#define SIOCSIFADDR 2 /* Set interface address */
#define SIOCGIFNETMASK 3 /* Get network mask */
#define SIOCSIFNETMASK 4 /* Set network mask */
#define SIOCGIFHWADDR 5 /* Get hardware address */
void if_freenameindex(struct if_nameindex* ptr);
char* if_indextoname(unsigned ifindex, char* ifname);
struct if_nameindex* if_nameindex(void);
unsigned if_nametoindex(const char* ifname);
__END_DECLS
#endif