ref: 495f9ed1829ea0843bf1cc5395d1f7fd9a8a6c9b
dir: /tests/libc/execute/0031-memmove.c/
#include <assert.h>
#include <stdio.h>
#include <string.h>
/*
output:
testing
done
end:
*/
int
main()
{
char buf[30];
puts("testing");
memcpy(buf, "abcdef", 6);
assert(!memcmp(memmove(buf, buf+3, 3), "def", 3));
memcpy(buf, "abcdef", 6);
assert(!memcmp(memmove(buf, buf+3, 0), "abc", 3));
puts("done");
return 0;
}