#ifndef _IFADDRS_H
#define _IFADDRS_H
#include <sys/socket.h>
struct ifaddrs {
    struct ifaddrs* ifa_next;
    char* ifa_name;
    unsigned int ifa_flags;
    struct sockaddr* ifa_addr;
    struct sockaddr* ifa_netmask;
    struct sockaddr* ifa_broadaddr;
    void* ifa_data;
};
int getifaddrs(struct ifaddrs** ifap);
void freeifaddrs(struct ifaddrs* ifa);
#endif