FREELOCALE (man3p)
freelocale — free resources allocated for a locale object
freelocale — free resources allocated for a locale object
FD_CLR — macros for synchronous I/O multiplexing
pthread_attr_setschedparam — set the schedparam attribute
islower, islower_l — test for a lowercase letter
stpcpy, strcpy — copy a string and return a pointer to the end of the result
pthread_mutexattr_gettype, pthread_mutexattr_settype — get and set the mutex type attribute
swprintf — print formatted wide-character output
va_arg, va_copy, va_end, va_start — handle variable argument list
tfind — search binary search tree
posix_trace_shutdown — trace stream shutdown from a process (TRACING)