user_memset
extern status_t user_memset(void *start, char c, size_t count);
user_memset(logadr, 0, size);
if (user_memset(buffer, 0, *_length) < B_OK)
user_memset(_registers, 0, B_PAGE_SIZE);
user_memset(pointer, 0, gapSize);
error = user_memset(buffer, 0, bytes);
error = user_memset(buffer, 0, length);
fStatus = user_memset(fBuffer, 0, length);
return user_memset(VirtFromPhys(address), value, length);
status = user_memset((void*)retryBuffer, 0, retrySize);