MEMMOVESection: Linux Programmer's Manual (3)
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NAMEmemmove - copy memory area
#include <string.h> void *memmove(void *dest, const void *src, size_t n);
DESCRIPTIONThe 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 VALUEThe memmove() function returns a pointer to dest.
CONFORMING TOSVr4, 4.3BSD, C89, C99, POSIX.1-2001.
SEE ALSObcopy(3), memccpy(3), memcpy(3), strcpy(3), strncpy(3), wmemmove(3)
COLOPHONThis page is part of release 3.21 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.