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.TH memmove 3
.SH NAME
memmove - copy bytes in memory with overlapping areas
.SH SYNOPSIS
#include <string.h>

void *memmove (void *s1, const void *s2, size_t n)
.SH DESCRIPTION
The
.BR memmove ()
function copies the first
.I n
bytes of the object pointed to by
.I s2
to the object pointed to by
.IR s1 .
The
.BR memmove ()
function facilitates copying between overlapping memory blocks.
The function shall not copy anything if
.I n
is equal to 0.
.SH RETURN VALUE
The
.BR memmove ()
function shall return the pointer
.IR s1 .
.SH STANDARDS
ISO/IEC 9899:1999 Section 7.21.2.2