uclibc-ng/include/ifaddrs.h

#ifndef _IFADDRS_H
#include <libc/inet/ifaddrs.h>
#include <stdbool.h>
#include <stdint.h>

struct in6addrinfo
{
  enum {
    in6ai_deprecated = 1,
    in6ai_temporary = 2,
    in6ai_homeaddress = 4
  } flags;
  uint32_t addr[4];
};

extern void __check_pf (bool *seen_ipv4, bool *seen_ipv6)
  attribute_hidden;

#endif	/* ifaddrs.h */