Appendix A
Appendix A	Compaq C Socket Routine Reference
A.1	Porting Considerations
A.1.1	Calling an IPC Routine from an AST State
A.1.2	Calling from KERNEL or EXEC Modes
A.1.3	Event Flags
A.1.4	Suppressing Compaq C Compilation Warnings
A.1.5	Header Files
A.2	Compaq C Structures
A.3	Internet Protocols
A.3.1	Transmission Control Protocol
A.3.2	User Datagram Protocol
A.4	errno Values
A.5	h_errno Values
A.6	Relationship Between errno and h_errno
A.7	TCP/IP Interface Enhancements
A.8	Summary of Socket Routines
A.8.1	Basic Communication Routines
A.8.2	Auxiliary Communication Routines
A.8.3	h_errno Support Routines
A.8.4	Communication Support Routines
Command 461	accept
Command 462	bind
Command 463	close
Command 464	connect
Command 465	decc$get_sdc
Command 466	endhostent
Command 467	endnetent
Command 468	endprotoent
Command 469	endservent
Command 470	gethostaddr
Command 471	gethostbyaddr
Command 472	gethostbyname
Command 473	gethostent
Command 474	gethostname
Command 475	getnetbyaddr
Command 476	getnetbyname
Command 477	getnetent
Command 478	getpeername
Command 479	getprotobyname
Command 480	getprotobynumber
Command 481	getprotoent
Command 482	getservbyname
Command 483	getservbyport
Command 484	getservent
Command 485	getsockname
Command 486	getsockopt
Command 487	herror
Command 488	hstrerror
Command 489	hostalias
Command 490	htonl
Command 491	htons
Command 492	inet_addr
Command 493	inet_lnaof
Command 494	inet_makeaddr
Command 495	inet_netof
Command 496	inet_network
Command 497	inet_ntoa
Command 498	ioctl
Command 499	listen
Command 500	ntohl
Command 501	ntohs
Command 502	read
Command 503	recv
Command 504	recvfrom
Command 505	recvmsg
Command 506	select
Command 507	send
Command 508	sendmsg
Command 509	sendto
Command 510	sethostent
Command 511	setnetent
Command 512	setprotoent
Command 513	setservent
Command 514	setsockopt
Command 515	shutdown
Command 516	socket
Command 517	socket_fd
Command 518	vaxc$get_sdc
Command 519	write
A.9	Programming Examples
Appendix B
Appendix B	Version-Dependency Tables
B.1	Functions Available on all OpenVMS VAX and OpenVMS Alpha Versions
B.2	Functions Available on OpenVMS Version 6.2 and Higher
B.3	Functions Available on OpenVMS Version 7.0 and Higher
B.4	Functions Available on OpenVMS Alpha Version 7.0 and Higher
B.5	Functions Available on OpenVMS Version 7.2 and Higher
Appendix C
Appendix C	Prototypes Duplicated to Non-Standard Headers
Index
Index
Examples
1-1	Differences Between Stream Mode and Record Mode
2-1	Output of the Conversion Specifications
2-2	Using the Standard I/O Functions
2-3	Using Wide Character I/O Functions
2-4	I/O Using File Descriptors and Pointers
3-1	Character-Classification Functions
3-2	Converting Double Values to an ASCII String
3-3	Changing Characters to and from Uppercase Letters
3-4	Concatenating Two Strings
3-5	Four Arguments to the strcspn Function
3-6	Using the <stdarg.h > Functions and Definitions
4-1	Suspending and Resuming Programs
5-1	Creating the Child Process
5-2	Passing Arguments to the Child Process
5-3	Checking the Status of Child Processes
5-4	Communicating Through a Pipe
6-1	A Curses Program
6-2	Manipulating Windows
6-3	Refreshing the Terminal Screen
6-4	Curses Predefined Variables
6-5	The Cursor Movement Functions
6-6	stdscr and Occluding Windows
7-1	Calculating and Verifying a Tangent Value
8-1	Allocating and Deallocating Memory for Structures
9-1	Accessing the User Name
9-2	Accessing Terminal Information
9-3	Manipulating the Default Directory
9-4	Printing the Date and Time
A-1	TCP/IP Server
A-2	TCP/IP Client
A-3	UDP/IP Server
A-4	UDP/IP Client
Figures
1-1	Linking with the Compaq C RTL on OpenVMS Alpha Systems
1-2	I/O Interface from C Programs
1-3	Mapping Standard I/O and UNIX I/O to RMS
5-1	Communications Links Between Parent and Child Processes
6-1	An Example of the stdscr Window
6-2	Displaying Windows and Subwindows
6-3	Updating the Terminal Screen
6-4	An Example of the getch Macro
REF-1	Reading and Writing to a Pipe

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