Symbol: sys_mq_getattr
sys/kern/init_sysent.c
530
{ AS(mq_getattr_args), 4, (sy_call_t *)sys_mq_getattr }, /* 513 = mq_getattr */
sys/sys/sysproto.h
1747
int sys_mq_getattr (struct sysmsg *sysmsg, const struct mq_getattr_args *);