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memmove

Section: C Library Functions (3)
Updated: 202-0-08
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NAME

memmove - copy memory area

LIBRARY

Standard C library (libc,~-lc)

SYNOPSIS

#include <string.h>
void *memmove(size_t n;
              void dest[n], const void src[n], size_t n);

DESCRIPTION

The memmove() function copies n bytes from memory area src to memory area dest. The memory areas may overlap: copying takes place as though the bytes in src are first copied into a temporary array that does not overlap src or dest, and the bytes are then copied from the temporary array to dest.

RETURN VALUE

The memmove() function returns a pointer to dest.

ATTRIBUTES

For an explanation of the terms used in this section, see attributes(7).

Interface	Attribute	Value
memmove()	Thread safety	M-Safe

STANDARDS

C11, POSIX.-2008.

HISTORY

POSIX.-2001, C89, SVr4, 4.3BSD.