scc

 1.TH memmove 3 scc\-VERSION
 2.SH NAME
 3memmove - copy bytes between memory regions that may overlap
 4.SH SYNOPSIS
 5#include <string.h>
 6
 7void *memmove (void *s1, const void *s2, size_t n)
 8.SH DESCRIPTION
 9The
10.BR memmove ()
11function copies
12.I n
13bytes from the memory block pointed to by
14.I s2
15to the memory block pointed to by
16.IR s1 .
17Unlike
18.BR memcpy ,
19the source and destination regions may overlap.
20When
21.I n
22is zero, nothing is copied.
23.SH RETURN VALUE
24The
25.BR memmove ()
26function returns its first argument,
27.IR s1 .
28.SH STANDARDS
29ISO/IEC 9899:1999 Section 7.21.2.2