bcmp - compare byte sequences
int bcmp(const void *s1, const void *s2, size_t n);
The bcmp() function compares the two byte sequences s1 and
s2 of length n each. If they are equal, and in particular if
n is zero, bcmp() returns 0. Otherwise, it returns a nonzero
The bcmp() function returns 0 if the byte sequences are equal, otherwise
a nonzero result is returned.
For an explanation of the terms used in this section, see attributes(7).
4.3BSD. This function is deprecated (marked as LEGACY in POSIX.1-2001): use
memcmp(3) in new programs. POSIX.1-2008 removes the specification of
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