msg_type          144 ext/sockets/sendrecvmsg.c ancillary_reg_entry *get_ancillary_reg_entry(int cmsg_level, int msg_type)
msg_type          146 ext/sockets/sendrecvmsg.c 	anc_reg_key			key = { cmsg_level, msg_type };
msg_type           34 ext/sockets/sendrecvmsg.h ancillary_reg_entry *get_ancillary_reg_entry(int cmsg_level, int msg_type);