ref: 621d21441a0145d30809b3d7af8571e61da63c04
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; }