PTHREAD_ATTR_GETDETACHSTATE (man3p)
pthread_attr_getdetachstate, pthread_attr_setdetachstate — get and set the detachstate attribute
pthread_attr_getdetachstate, pthread_attr_setdetachstate — get and set the detachstate attribute
pthread_rwlock_timedrdlock — lock a read-write lock for reading
posix_trace_eventid_open — trace functions for instrumenting application code (TRACING)
iswgraph, iswgraph_l — test for a visible wide-character code
iswalpha, iswalpha_l — test for an alphabetic wide-character code
utimensat, utimes — set file access and modification times
getcwd — get the pathname of the current working directory
pthread_sigmask, sigprocmask — examine and change blocked signals
open, openat — open file
timer_create — create a per-process timer