TCP/IP Programming Manual

About This Document
This manual describes application development for the NonStop TCP/IP, Parallel Library TCP/IP,
NonStop TCP/IPv6, and CIP subsystems using the HP Guardian socket library routines.
Supported Release Version Updates (RVUs)
TCP/IP: D40.00 and all subsequent D-series RVUs, G06.00 and all subsequent G-Series RVUs,
and H06.03 and all subsequent H-series RVUs until otherwise indicated by its replacement
publication
Parallel Library TCP/IP: G06.08 and all subsequent G-series RVUs until otherwise indicated by its
replacement publication
NonStop TCP/IPv6: G06.20 and all subsequent G-series RVUs, H06.05 and all subsequent H-series
RVUs until otherwise indicated by its replacement publication
Cluster I/O Protocols (CIP): J06.04 and all subsequent J-series RVUs until otherwise indicated by
its replacement publication
Intended Audience
This manual is intended for experienced C and TAL programmers. You must be familiar with the
following protocols and products:
• The standard TCP/IP family of protocols described in various Requests for Comments (RFCs)
• The Berkeley socket interface
• Use of NonStop systems, including the HP NonStop operating system
New and changed information for March 2014 (524521-020)
This edition of the manual includes the following changes:
• Changed “address” word to “value” for flags “AI_NUMERICHOST” (page 64) and
“AI_NUMERICSERV” (page 64).
• Added “Note” in the section “socket_set_inet_name” (page 200).
New and changed information for February 2013 (524521-019)
This edition of the manual includes the following changes:
• Added a new note in the “Usage Guidelines” (page 103) section.
New and changed information for July 2012 (524521-018)
This edition of the manual includes the following changes:
• Added the function details and usage consideration in the “accept_nw3” (page 97) section.
• Added the usage guidelines for the functions gethostbyname and
host_file_gethostname“Usage Guidelines” (page 111).
• Added new guideline for the section “Usage Guidelines” (page 108).
New and changed information for February 2012 (524521-017)
This edition of the manual includes the changes to enable 64–bit support:
• Added the 64–bit APIs, send64_ (page 168), sendto64_ (page 179), send_nw64_ (page 171),
send_nw2_64_ (page 175), recv64_, recv_nw64_ (page 155), recvfrom_nw64_ (page 164),
Supported Release Version Updates (RVUs) 11