usr/src/lib/libc/net/inet_ntoa.c

/*
 * Copyright (c) 1983 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that: (1) source distributions retain this entire copyright
 * notice and comment, and (2) distributions including binaries display
 * the following acknowledgement:  ``This product includes software
 * developed by the University of California, Berkeley and its contributors''
 * in the documentation or other materials provided with the distribution
 * and in all advertising materials mentioning features or use of this
 * software. Neither the name of the University nor the names of its
 * contributors may be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)inet_ntoa.c 5.5 (Berkeley) 6/1/90";
#endif /* LIBC_SCCS and not lint */

/*
 * Convert network-format internet address
 * to base 256 d.d.d.d representation.
 */
#include <sys/types.h>
#include <netinet/in.h>

char *
inet_ntoa(in)
        struct in_addr in;
{
        static char b[18];
        register char *p;

        p = (char *)&in;
#define UC(b)   (((int)b)&0xff)
        sprintf(b, "%d.%d.%d.%d", UC(p[0]), UC(p[1]), UC(p[2]), UC(p[3]));
        return (b);
}