Added functions from POSIX standard.

doc/posix1003.1/ch03.t

@@ -7,26 +7,129 @@
 @c
 
 @chapter Process Primitives
+
 @section Process Creation and Execution
+
 @subsection Process Creation
+
+@example
+fork(), Unimplementable
+@end example
+
+
 @subsection Execute a File
+
+@example
+execl(), Unimplementable
+execv(), Unimplementable
+execle(), Unimplementable
+execve(), Unimplementable
+execlp(), Unimplementable
+execvp(), Unimplementable
+@end example
+
 @subsection Register Fork Handlers
+
+@example
+pthread_atfork(), Implemented
+@end example
+
 @section Process Termination
+
 @subsection Wait for Process Termination
+
+@example
+wait(), Implemented
+waitpid(), Implemented
+@end example
+
 @subsection Terminate a Process
+
+@example
+_exit(), Implemented
+@end example
+
 @section Signals
+
 @subsection Signal Concepts
+
 @subsection Send a Signal to a Process
+
+@example
+kill(), Implemented
+@end example
+
 @subsection Manipulate Signal Sets
+
+@example
+sigemptyset(), Implemented
+sigfillset(), Implemented
+sigaddset(), Implemented
+sigdelset(), Implemented
+sigismember(), Implemented
+@end example
+
 @subsection Examine and Change Signal Action
+
+@example
+sigaction(), Implemented
+@end example
+
 @subsection Examine and Change Blocked Signals
+
+@example
+pthread_sigmask(), Implemented
+sigprocmask(), Implemented
+@end example
+
 @subsection Examine Pending Signals
+
+@example
+sigpending(), Implemented
+@end example
+
 @subsection Wait for a Signal
+
+@example
+sigsuspend(), Implemented
+@end example
+
 @subsection Synchronously Accept a Signal
+
+@example
+sigwait(), Implemented
+sigwaitinfo(), Implemented
+sigtimedwait(), Implemented
+@end example
+
 @subsection Queue a Signal to a Process
+
+@example
+sigqueue(), Implemented
+@end example
+
 @subsection Send a Signal to a Thread
+
+@example
+pthread_kill(), Implemented
+@end example
+
 @section Timer Operations
+
 @subsection Schedule Alarm
+
+@example
+alarm(), Implemented
+@end example
+
 @subsection Suspend Process Execution
+
+@example
+pause(), Implemented
+@end example
+
 @subsection Delay Process Execution
 
+@example
+sleep(), Implemented
+@end example