bcmp(3) Library Functions Manual bcmp(3) NAME bcmp - byte compare LIBRARY Standard C library (libc, -lc) SYNOPSIS #include [[deprecated]] int bcmp(size_t n; const void s1[n], const void s2[n], size_t n); DESCRIPTION bcmp() is identical to memcmp(3); use the latter instead. STANDARDS None. HISTORY 4.3BSD. Marked as LEGACY in POSIX.1-2001; removed in POSIX.1-2008. SEE ALSO memcmp(3) Linux man-pages 6.19 2026-08-10 bcmp(3)