Symbol: sys_mq_receive
sys/kern/init_sysent.c
534
{ AS(mq_receive_args), 8, (sy_call_t *)sys_mq_receive }, /* 517 = mq_receive */
sys/sys/sysproto.h
1751
int sys_mq_receive (struct sysmsg *sysmsg, const struct mq_receive_args *);