| struct msghdr | |
| { | |
| void *msg_name; | |
| socklen_t msg_namelen; | |
| struct iovec *msg_iov; | |
| int msg_iovlen; | |
| void *msg_control; | |
| socklen_t msg_controllen; | |
| int msg_flags; | |
| }; | |
| struct cmsghdr | |
| { | |
| socklen_t cmsg_len; | |
| int cmsg_level; | |
| int cmsg_type; | |
| }; | |
| #define SOCK_STREAM 2 | |
| #define SOCK_DGRAM 1 |