C++?memset

C/C++mallocmemset

void *memset(void *dest, int c, size_t count);

dest?c?count

memset?destcount?c?

int?float?0?-1?

00000 0000?-11111 1111?

memset0000 0000?1111 1111memset?4?0?-1?

memsetc