FCLOSE (man3p)
fclose — close a stream
fclose — close a stream
posix_trace_clear — clear trace stream and trace log (TRACING)
readv — read a vector
isfinite — test for finite value
sendmsg — send a message on a socket using a message structure
conj, conjf, conjl — complex conjugate functions
fwrite — binary output
wcscoll, wcscoll_l — wide-character string comparison using collating information
sched_rr_get_interval — get execution time limits (REALTIME)
feof — test end-of-file indicator on a stream