shmctl_args
{ AS(shmctl_args), 4, (sy_call_t *)sys_shmctl }, /* 229 = shmctl */
sys_shmctl(struct sysmsg *sysmsg, const struct shmctl_args *uap)
int sys_shmctl (struct sysmsg *sysmsg, const struct shmctl_args *);
struct shmctl_args shmctl;