#ifndef ISO
type {struct sched_param}
element {struct sched_param} int sched_priority
-element {struct sched_param} int sched_ss_low_priority
-element {struct sched_param} {struct timespec} sched_ss_repl_period
-element {struct sched_param} {struct timespec} sched_ss_init_budget
-element {struct sched_param} int sched_ss_max_repl
+optional-element {struct sched_param} int sched_ss_low_priority
+optional-element {struct sched_param} {struct timespec} sched_ss_repl_period
+optional-element {struct sched_param} {struct timespec} sched_ss_init_budget
+optional-element {struct sched_param} int sched_ss_max_repl
constant SCHED_FIFO
constant SCHED_RR
-constant SCHED_SPORADIC
+optional-constant SCHED_SPORADIC
constant SCHED_OTHER
function int sched_get_priority_max (int)