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50 lines
787 B
C
50 lines
787 B
C
/* bcmp
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This function is in the public domain. */
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/*
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NAME
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bcmp -- compare two memory regions
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SYNOPSIS
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int bcmp (char *from, char *to, int count)
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DESCRIPTION
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Compare two memory regions and return zero if they are identical,
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non-zero otherwise. If count is zero, return zero.
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NOTES
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No guarantee is made about the non-zero returned value. In
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particular, the results may be signficantly different than
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strcmp(), where the return value is guaranteed to be less than,
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equal to, or greater than zero, according to lexicographical
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sorting of the compared regions.
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BUGS
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*/
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int
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bcmp (from, to, count)
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char *from, *to;
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int count;
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{
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int rtnval = 0;
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while (count-- > 0)
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{
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if (*from++ != *to++)
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{
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rtnval = 1;
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break;
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}
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}
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return (rtnval);
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}
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