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bcmp
====

Syntax
------

     #include <string.h>
     
     int bcmp(const void *ptr1, const void *ptr2, int length);

Description
-----------

Compare memory pointed to by PTR1 and PTR2 for at most LENGTH bytes.

Return Value
------------

The number of bytes remaining when the first mismatch occurred, or zero
if all bytes were equal.

Example
-------

     void f(char *s1, char *s2)
     {
       int l = bcmp(s1, s2, strlen(s1));
       printf("Difference: %s, %s\n", s1+strlen(s1)-l, s2+strlen(s1)-l);
     }