add ether_aton[_r] and ether_ntoa[_r] functions

[musl] / src / network / inet_ntoa.c

#include <arpa/inet.h>
#include <stdio.h>

char *inet_ntoa(struct in_addr in)
{
        static char buf[16];
        unsigned char *a = (void *)&in;
        snprintf(buf, sizeof buf, "%d.%d.%d.%d", a[0], a[1], a[2], a[3]);
        return buf;
}