pub unsafe extern "C" fn sctp_recvv(
sd: c_int,
iov: *const iovec,
iovcnt: c_int,
from: *mut sockaddr,
fromlen: *mut socklen_t,
info: *mut c_void,
infolen: *mut socklen_t,
infotype: *mut c_uint,
flags: *mut c_int,
) -> ssize_t