int
bcmp(
const void *b1
, const void *b2
, size_t len
)
)
function
compares byte string
b1
against byte string
b2
,
returning zero if they are identical, non-zero otherwise.
Both strings are assumed to be
len
bytes long.
Zero-length strings are always identical.
The strings may overlap.
)
function first appeared in
4.2BSD.