Symbol: iptun_ioc_init
usr/src/uts/common/inet/iptun/iptun_dev.c
178
if (ddi_get_instance(dip) != 0 || iptun_ioc_init() != 0)
usr/src/uts/common/inet/iptun/iptun_impl.h
180
extern int iptun_ioc_init(void);