#ifndef COSMOPOLITAN_LIBC_SOCK_STRUCT_IFREQ_H_
#define COSMOPOLITAN_LIBC_SOCK_STRUCT_IFREQ_H_
#include "libc/sock/struct/sockaddr.h"
#include "libc/sock/struct/sockaddr6.h"
COSMOPOLITAN_C_START_

#define IF_NAMESIZE 16
#define IFNAMSIZ    IF_NAMESIZE

struct ifreq {
  union {
    char ifrn_name[IFNAMSIZ]; /* Interface name, e.g. "en0".  */
  } ifr_ifrn;
  union {
    struct {
      uint16_t sa_family;
      uint16_t ifr6_ifindex;  /* Interface index */
      uint16_t ifr6_flags;    /* Flags */
      uint8_t ifr6_scope;     /* Addr scope */
      uint8_t ifr6_prefixlen; /* Prefix length */
      struct in6_addr ifr6_addr;
    } in6;
    struct sockaddr ifru_addr;      /* SIOCGIFADDR */
    struct sockaddr ifru_dstaddr;   /* SIOCGIFDSTADDR */
    struct sockaddr ifru_netmask;   /* SIOCGIFNETMASK */
    struct sockaddr ifru_broadaddr; /* SIOCGIFBRDADDR */
    short ifru_flags;               /* SIOCGIFFLAGS */
    int ifru_ivalue;                /* todo(jart) */
    char ifru_pad[24];              /* ifru_map is the largest, just pad */
  } ifr_ifru;
};

#define ifr_name      ifr_ifrn.ifrn_name      /* interface name */
#define ifr_addr      ifr_ifru.ifru_addr      /* address */
#define ifr_netmask   ifr_ifru.ifru_netmask   /* netmask */
#define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */
#define ifr_dstaddr   ifr_ifru.ifru_dstaddr   /* destination address */
#define ifr_flags     ifr_ifru.ifru_flags     /* flags */
#define ifr_ifindex   ifr_ifru.ifru_ivalue

#define ifr6_addr      ifr_ifru.in6.ifr6_addr      /* IP6 Addr */
#define ifr6_scope     ifr_ifru.in6.ifr6_scope     /* IP6 Addr scope */
#define ifr6_prefixlen ifr_ifru.in6.ifr6_prefixlen /* IP6 Prefix length */
#define ifr6_ifindex   ifr_ifru.in6.ifr6_ifindex   /* IP6 If index */
#define ifr6_flags     ifr_ifru.in6.ifr6_flags     /* IP6 If flags */

COSMOPOLITAN_C_END_
#endif /* COSMOPOLITAN_LIBC_SOCK_STRUCT_IFREQ_H_ */