SCHED_YIELD (man3p)
sched_yield — yield the processor
sched_yield — yield the processor
wprintf — print formatted wide-character output
wcsncat — concatenate a wide-character string with part of another
posix_trace_get_attr, posix_trace_get_status — retrieve the trace attributes or trace status (TRACING)
sigismember — test for a signal in a signal set
psiginfo, psignal — write signal information to standard error
casin, casinf, casinl — complex arc sine functions
j0, j1, jn — Bessel functions of the first kind
ferror — test error indicator on a stream
fdatasync — synchronize the data of a file (REALTIME)