(Struct)
/*
* Message header for sendmsg() and recvmsg() calls - this is a
* struct definition kept from 4.3 BSD to preserve compatibility
* with the Acorn TCP/IP suite.
*/
struct msghdr { caddr_t msg_name; /* Address (optional) */
int msg_namelen; /* Address size */
struct iovec *msg_iov; /* Scatter/gather array */
int msg_iovlen; /* Number of elements in msg_iov */ caddr_t msg_accrights; /* Access rights */
int msg_accrightslen; /* Size of msg_accrights */
};
