memmove

Name

memmove - copies memory area

Library

libc.lib

Synopsis

#include <string.h>

void * memmove (void *dst, const void *src, size_t len);

Detailed description

The memmove function copies len bytes from string src to string dst. The two strings may overlap; the copy is always done in a non-destructive manner.

Examples

#include <string.h>
#include <stdio.h>
int main()
{
    char one[50];
    (void) strcpy(one, "abcdefgh");
    printf("String before memmove %s\n",one);
    (void) memmove(one+1, "xyz", 2);
    printf("String after memmove %s\n",one);
    (void) strcpy(one, "abcdefgh");
    printf("String before memmove %s\n",one);
    (void) memmove(one+1, "xyz", 0);
    printf("String after memmove %s\n",one);
    return 0;   
}

Output

String before memmove abcdefgh
String after memmove axydefgh
String before memmove abcdefgh
String after memmove abcdefgh

Return value

The memmove function returns pointer to dst dst.

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