usr/src/lib/libbc/libc/inet/inet_ntoa.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 1987 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28          /* from UCB 4.1 83/06/12 */
  29
  30 /*
  31  * Convert network-format internet address
  32  * to base 256 d.d.d.d representation.
  33  */
  34 #include <sys/types.h>
  35 #include <netinet/in.h>
  36
  37 char *
  38 inet_ntoa(in)
  39         struct in_addr in;
  40 {
  41         static char b[18];
  42         register char *p;
  43
  44         p = (char *)&in;
  45 #define UC(b)   (((int)b)&0xff)
  46         sprintf(b, "%d.%d.%d.%d", UC(p[0]), UC(p[1]), UC(p[2]), UC(p[3]));
  47         return (b);
  48 }