| Last change
 on this file since 83 was             10, checked in by bird, 23 years ago | 
        
          | 
Initial revision
 | 
        
          | 
              
Property                 cvs2svn:cvs-rev
 set to                 1.1
Property                 svn:eol-style
 set to                 native
Property                 svn:executable
 set to                 * | 
        
          | File size:
            787 bytes | 
      
      
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| 1 | /* bcmp | 
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| 2 | This function is in the public domain.  */ | 
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| 3 |  | 
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| 4 | /* | 
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| 5 |  | 
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| 6 | NAME | 
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| 7 |  | 
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| 8 | bcmp -- compare two memory regions | 
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| 9 |  | 
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| 10 | SYNOPSIS | 
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| 11 |  | 
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| 12 | int bcmp (char *from, char *to, int count) | 
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| 13 |  | 
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| 14 | DESCRIPTION | 
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| 15 |  | 
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| 16 | Compare two memory regions and return zero if they are identical, | 
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| 17 | non-zero otherwise.  If count is zero, return zero. | 
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| 18 |  | 
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| 19 | NOTES | 
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| 20 |  | 
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| 21 | No guarantee is made about the non-zero returned value.  In | 
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| 22 | particular, the results may be signficantly different than | 
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| 23 | strcmp(), where the return value is guaranteed to be less than, | 
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| 24 | equal to, or greater than zero, according to lexicographical | 
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| 25 | sorting of the compared regions. | 
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| 26 |  | 
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| 27 | BUGS | 
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| 28 |  | 
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| 29 | */ | 
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| 30 |  | 
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| 31 |  | 
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| 32 | int | 
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| 33 | bcmp (from, to, count) | 
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| 34 | char *from, *to; | 
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| 35 | int count; | 
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| 36 | { | 
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| 37 | int rtnval = 0; | 
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| 38 |  | 
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| 39 | while (count-- > 0) | 
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| 40 | { | 
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| 41 | if (*from++ != *to++) | 
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| 42 | { | 
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| 43 | rtnval = 1; | 
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| 44 | break; | 
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| 45 | } | 
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| 46 | } | 
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| 47 | return (rtnval); | 
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| 48 | } | 
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| 49 |  | 
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