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 may 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
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