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Last change
on this file since 490 was 10, checked in by bird, 23 years ago |
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Initial revision
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Property cvs2svn:cvs-rev
set to
1.1
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Property svn:eol-style
set to
native
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Property svn:executable
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*
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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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