June 4, 1993 BCMP 3

### NAME

bcmp - compare byte string

### LIBRARY

Standard C Library (libc, -lc)

### SYNOPSIS

```int` bcmp(```const void *b1``, const void *b2``, size_t len`)

### DESCRIPTION

The bcmp(``) 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.

### SEE ALSO

memcmp(3), strcasecmp(3), strcmp(3), strcoll(3), strxfrm(3)

### HISTORY

A bcmp(``) function first appeared in 4.2BSD.