Subversion Repositories planix.SVN

/* posix */
#include <sys/types.h>
#include <unistd.h>

/* bsd extensions */
#include <sys/uio.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>

int h_errno;

struct hostent*
gethostbyaddr(void *addr, int len, int type)
{
        unsigned long y;
        struct in_addr x;
        unsigned char *p = addr;

        if(type != AF_INET || len != 4){
                h_errno = NO_RECOVERY;
                return 0;
        }

        y = (p[0]<<24)|(p[1]<<16)|(p[2]<<8)|p[3];
        x.s_addr = htonl(y);

        return gethostbyname(inet_ntoa(x));
}