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Annotation of coherent/a/usr/man/MULTI/swab, revision 1.1

1.1     ! root        1: 
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        !             3: swab()                   General Function                  swab()
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        !             7: 
        !             8: Swap a pair of bytes
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        !            10: vvooiidd sswwaabb(_s_r_c, _d_e_s_t, _n_b) cchhaarr *_s_r_c, *_d_e_s_t; uunnssiiggnneedd _n_b;
        !            11: 
        !            12: The  ordering of  bytes  within a  word differs  from machine  to
        !            13: machine.  This may cause problems when moving binary data between
        !            14: machines.  swab interchanges each  pair of bytes in the array src
        !            15: that is n bytes long, and  places the result into the array dest.
        !            16: The length nb should be an even number, or the last byte will not
        !            17: be touched.  src and dest may be the same place.
        !            18: 
        !            19: ***** Example *****
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        !            21: This example  prompts for an integer; it  then prints the integer
        !            22: both as you entered it, and as it appears with its bytes swapped.
        !            23: 
        !            24: 
        !            25: #include <stdio.h>
        !            26: 
        !            27: main()
        !            28: {
        !            29:         int word;
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        !            31: 
        !            32: 
        !            33:         printf("Enter an integer: \n");
        !            34:         scanf("%d", &word);
        !            35:         printf("The word is 0x%x\n", word);
        !            36:         swab(&word, &word, 2);
        !            37:         printf("The word with bytes swapped is 0x%x\n", word);
        !            38: }
        !            39: 
        !            40: 
        !            41: ***** See Also *****
        !            42: 
        !            43: dd, canon.h, general functions
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        !            64: COHERENT Lexicon                                           Page 1
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