return WSA_CMSG_FIRSTHDR(&wm);
}
static inline struct cmsghdr *CMSG_NXTHDR(struct msghdr *m, struct cmsghdr *c) {
WSAMSG wm;
wm.Control.len = m->msg_controllen;
return WSA_CMSG_FIRSTHDR(&wm);
}
static inline struct cmsghdr *CMSG_NXTHDR(struct msghdr *m, struct cmsghdr *c) {
WSAMSG wm;
wm.Control.len = m->msg_controllen;