compat_50_sys_nanosleep
int compat_50_sys_nanosleep(struct lwp *, const struct compat_50_sys_nanosleep_args *, register_t *);
.sy_call = (sy_call_t *)compat_50_sys_nanosleep
{ SYS_compat_50_nanosleep, 0, (sy_call_t *)compat_50_sys_nanosleep },
int compat_50_sys_nanosleep(struct lwp *, const struct compat_50_sys_nanosleep_args *, register_t *);
.sy_call = (sy_call_t *)compat_50_sys_nanosleep
check_syscall_args(compat_50_sys_nanosleep)
int compat_50_sys_nanosleep(struct lwp *, const struct compat_50_sys_nanosleep_args *, register_t *);