memmove(3)                 Library Functions Manual                 memmove(3)

NAME
       memmove - memory move

LIBRARY
       Standard C library (libc, -lc)

SYNOPSIS
       #include <string.h>  // see memory.h(3head)

       void *memmove(size_t n;
                     void dest[n], const void src[n], size_t n);

DESCRIPTION
       This function is similar to memcpy(3), but the memory areas may
       overlap.

RETURN VALUE
       See memcpy(3).

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

       +--------------------------------------------+---------------+---------+
       |Interface                                   | Attribute     | Value   |
       +--------------------------------------------+---------------+---------+
       |memmove ()                                  | Thread safety | MT-Safe |
       +--------------------------------------------+---------------+---------+
STANDARDS
       C11, POSIX.1-2008.

HISTORY
       POSIX.1-2001, C89, SVr4, 4.3BSD.

SEE ALSO
       memory.h(3head), memcpy(3), wmemmove(3)

Linux man-pages 6.19              2026-08-10                        memmove(3)