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BCOPY(3) Library Functions Manual BCOPY(3)

bcopy — copy byte string

#include <string.h>

void
bcopy(const void *src, void *dst, size_t len);

The () function copies len bytes from string src to string dst. The two strings may overlap. If len is zero, no bytes are copied.

memccpy(3), memcpy(3), memmove(3), strcpy(3), strncpy(3)

A bcopy() function appeared in 4.2BSD.

BSD 4.2 June 4, 1993 BCOPY(3)