ref: ed6d85067b2e8dbd1e1a6bcc8317114cfc583ef1
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;
}