lib/ip/inet_ntoa.c

   1 /*
   2  * Copyright (c) 1983 Regents of the University of California.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms are permitted
   6  * provided that: (1) source distributions retain this entire copyright
   7  * notice and comment, and (2) distributions including binaries display
   8  * the following acknowledgement:  ``This product includes software
   9  * developed by the University of California, Berkeley and its contributors''
  10  * in the documentation or other materials provided with the distribution
  11  * and in all advertising materials mentioning features or use of this
  12  * software. Neither the name of the University nor the names of its
  13  * contributors may be used to endorse or promote products derived
  14  * from this software without specific prior written permission.
  15  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
  16  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  18  */
  19
  20 #if defined(LIBC_SCCS) && !defined(lint)
  21 static char sccsid[] = "@(#)inet_ntoa.c 5.5 (Berkeley) 6/1/90";
  22 #endif /* LIBC_SCCS and not lint */
  23
  24 /*
  25  * Convert network-format internet address
  26  * to base 256 d.d.d.d representation.
  27  */
  28
  29 #include <sys/types.h>
  30 #include <stdio.h>
  31
  32 #include <net/gen/in.h>
  33 #include <net/gen/inet.h>
  34
  35 char *
  36 inet_ntoa(in)
  37         ipaddr_t in;
  38 {
  39         static char b[18];
  40         register u8_t *p;
  41
  42         p = (u8_t *)&in;
  43         sprintf(b, "%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
  44         return (b);
  45 }