PTHREAD_ATTR_SETDETACHSTATE (man3p)
pthread_attr_setdetachstate — set the detachstate attribute
pthread_attr_setdetachstate — set the detachstate attribute
wctob — wide-character to single-byte conversion
pthread_cond_signal — signal a condition
wcstol, wcstoll — convert a wide-character string to a long integer
if_nametoindex — map a network interface name to its corresponding index
pthread_mutexattr_getrobust, pthread_mutexattr_setrobust — get and set the mutex robust attribute
wcscmp — compare two wide-character strings
pthread_condattr_init — initialize the condition variable attributes object
wcscasecmp, wcscasecmp_l, wcsncasecmp, wcsncasecmp_l — case-insensitive wide-character string comparison
umask — set and get the file mode creation mask