newlib-cygwin/newlib/libc/string/bcopy.c

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2000-02-18 03:39:52 +08:00
/*
FUNCTION
<<bcopy>>---copy memory regions
ANSI_SYNOPSIS
#include <string.h>
void bcopy(const char *<[in]>, char *<[out]>, size_t <[n]>);
TRAD_SYNOPSIS
void bcopy(<[in]>, <[out]>, <[n]>
char *<[in]>;
char *<[out]>;
size_t <[n]>;
DESCRIPTION
This function copies <[n]> bytes from the memory region
pointed to by <[in]> to the memory region pointed to by
<[out]>.
This function is implemented in term of <<memmove>>.
PORTABILITY
<<bcopy>> requires no supporting OS subroutines.
QUICKREF
bcopy - pure
*/
#include <string.h>
void
_DEFUN (bcopy, (b1, b2, length),
_CONST char *b1 _AND
char *b2 _AND
size_t length)
{
memmove ((_PTR) b2, (_PTR) b1, length);
}