Added functions from POSIX standard.

doc/posix1003.1/ch09.t

@@ -7,8 +7,26 @@
 @c
 
 @chapter System Databases
-@section System Databases Section
-@section Database Access
-@section Group Database Access
-@section User Database Access
+
+@section System Databases Section
+
+@section Database Access
+
+@subsection Group Database Access
+
+@example
+getgrgid()
+getgrgid_r()
+getgrname()
+getgrnam_r()
+@end example
+
+@subsection User Database Access
+
+@example
+getpwuid()
+getpwuid_r()
+getpwnam()
+getpwnam_r()
+@end example
 

doc/posix1003.1/ch10.t

@@ -7,8 +7,12 @@
 @c
 
 @chapter Data Interchange Format
+
 @section Archive/Interchange File Format
+
 @subsection Extended tar Format
+
 @subsection Extended cpio Format
+
 @subsection Multiple Volumes
 

doc/posix1003.1/ch11.t

@@ -7,23 +7,115 @@
 @c
 
 @chapter Synchronization
+
 @section Semaphore Characteristics
+
 @section Semaphore Functions
+
 @subsection Initialize an Unnamed Semaphore
+
+@example
+sem_init()
+@end example
+
 @subsection Destroy an Unnamed Semaphore
+
+@example
+sem__destroy()
+@end example
+
 @subsection Initialize/Open a Named Semaphore
+
+@example
+sem_open()
+@end example
+
 @subsection Close a Named Semaphore
+
+@example
+sem_close()
+@end example
+
 @subsection Remove a Named Semaphore
+
+@example
+sem_unlink()
+@end example
+
 @subsection Lock a Semaphore
+
+@example
+sem_wait()
+sem_trywait()
+@end example
+
 @subsection Unlock a Semaphore
+
+@example
+sem_post()
+@end example
+
 @subsection Get the Value of a Semaphore
+
+@example
+sem_getvalue()
+@end example
+
 @section Mutexes
+
 @subsection Mutex Initialization Attributes
+
+@example
+pthread_mutexattr_init()
+pthread_mutexattr_destroy()
+pthread_mutexattr_getpshared()
+pthread_mutexattr_setpshared()
+@end example
+
 @subsection Initializing and Destroying a Mutex
+
+@example
+pthread_mutex_init()
+pthread_mutex_destroy()
+@end example
+
 @subsection Locking and Unlocking a Mutex
+
+@example
+pthread_mutex_lock()
+pthread_mutex_trylock()
+pthread_mutex_unlock()
+@end example
+
 @section Condition Variables
+
 @subsection Condition Variable Initialization Attributes
+
+@example
+pthread_condattr_init()
+pthread_condattr_destroy()
+pthread_condattr_getpshared()
+pthread_condattr_setpshared()
+@end example
+
 @subsection Initialization and Destroying Condition Variables
+
+@example
+pthread_cond_init()
+pthread_cond_destroy()
+@end example
+
 @subsection Broadcasting and Signaling a Condition
+
+@example
+pthread_cond_signal()
+pthread_cond_broadcast()
+@end example
+
 @subsection Waiting on a Condition
 
+@example
+pthread_cond_wait()
+pthread_cond_timedwait()
+@end example
+