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Annotation of 43BSDTahoe/lib/libc/inet/inet_ntoa.c, revision 1.1.1.1

1.1       root        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 the above copyright notice and this paragraph are
                      7:  * duplicated in all such forms and that any documentation,
                      8:  * advertising materials, and other materials related to such
                      9:  * distribution and use acknowledge that the software was developed
                     10:  * by the University of California, Berkeley.  The name of the
                     11:  * University may not be used to endorse or promote products derived
                     12:  * from this software without specific prior written permission.
                     13:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     14:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     15:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     16:  */
                     17: 
                     18: #if defined(LIBC_SCCS) && !defined(lint)
                     19: static char sccsid[] = "@(#)inet_ntoa.c        5.4 (Berkeley) 6/27/88";
                     20: #endif /* LIBC_SCCS and not lint */
                     21: 
                     22: /*
                     23:  * Convert network-format internet address
                     24:  * to base 256 d.d.d.d representation.
                     25:  */
                     26: #include <sys/types.h>
                     27: #include <netinet/in.h>
                     28: 
                     29: char *
                     30: inet_ntoa(in)
                     31:        struct in_addr in;
                     32: {
                     33:        static char b[18];
                     34:        register char *p;
                     35: 
                     36:        p = (char *)&in;
                     37: #define        UC(b)   (((int)b)&0xff)
                     38:        sprintf(b, "%d.%d.%d.%d", UC(p[0]), UC(p[1]), UC(p[2]), UC(p[3]));
                     39:        return (b);
                     40: }

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