Symbol: m_chtype
sys/kern/uipc_syscalls.c
1582
m_chtype(m, MT_CONTROL);
sys/kern/uipc_usrreq.c
3549
m_chtype(*controlp, MT_EXTCONTROL);
sys/sys/mbuf.h
1292
#define MCHTYPE(m, t) m_chtype((m), (t))