<def f='src/src/sys/sys/socket.h' l='552' ll='557'/>
<size>12</size>
<doc f='src/src/sys/sys/socket.h' l='546'>/*
 * Header for ancillary data objects in msg_control buffer.
 * Used for additional information with/about a datagram
 * not expressible by flags.  The format is a sequence
 * of message elements headed by cmsghdr structures.
 */</doc>
<mbr r='cmsghdr::cmsg_len' o='0' t='__socklen_t'/>
<mbr r='cmsghdr::cmsg_level' o='32' t='int'/>
<mbr r='cmsghdr::cmsg_type' o='64' t='int'/>
