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