Format
#include <string.h>
void *memmove(void *dest, const void *src, size_t count);Language Level: ANSI
Threadsafe: Yes.
Description
The memmove() function copies count bytes of src to dest. This function allows copying between objects that might overlap as if src is first copied into a temporary array.
Return Value
The memmove() function returns a pointer to dest.
Example that uses memmove()
This example copies the word "shiny" from position target + 2 to position target + 8.
#include <string.h>
#include <stdio.h>
#define SIZE 21
char target[SIZE] = "a shiny white sphere";
int main( void )
{
char * p = target + 8; /* p points at the starting character
of the word we want to replace */
char * source = target + 2; /* start of "shiny" */
printf( "Before memmove, target is \"%s\"\n", target );
memmove( p, source, 5 );
printf( "After memmove, target becomes \"%s\"\n", target );
}
/********************* Expected output: ************************
Before memmove, target is "a shiny white sphere"
After memmove, target becomes "a shiny shiny sphere"
*/Related Information