ref: a73645af515b2acd8071837597a4a18b649ee9be
dir: /tests/libc/execute/0030-memcpy.c/
#include <assert.h> #include <stdio.h> #include <string.h> /* output: testing done end: */ int main() { char buf[40]; puts("testing"); assert(!memcmp(memcpy(buf, "abc", 3), "abc", 3)); assert(memcpy(buf, "abc", 0) == buf); puts("done"); return 0; }