윈도우에서 writev 함수구현 - windows writev function implementation

#include <winsock2.h>

int writev(int sock, struct iovec *iov, int nvecs)
{
DWORD ret;
if (WSASend(sock, (LPWSABUF)iov, nvecs, &ret, 0, NULL, NULL) == 0) {
return ret;
}
return -1;
}