Guardian C Library Calls Reference Manual
Additional Information
xiv 128833—Guardian TNS C Library Calls Reference Manual
About This Manual
Additional Information
Table i describes manuals that provide information about writing C programs for the 
Guardian environment.
Table ii describes manuals that provide information about writing C programs for the 
Open System Services (OSS) environment.
Table i. Guardian Environment Manuals
Manual Description
C/C++ Programmer’s Guide Describes the syntax and semantics of C. Provides 
guidelines on writing C programs for Tandem NonStop 
systems.
Common Run-Time Environment 
(CRE) Programmer’s Guide
Explains how to use the CRE for running mixed-
language programs written for D-series systems.
Guardian Procedure Calls 
Reference Manual 
Describes the syntax and programming considerations 
for using system procedures.
Guardian Procedure Errors and 
Messages Manual
Describes error codes, error lists, system messages, and 
trap numbers for system procedures.
Table ii. Open System Services Environment Manuals
Manual Description
Open System Services Library 
Calls Reference Manual
Describes the syntax and semantics of C library calls for 
the OSS environment.
Open System Services 
Programmer’s Guide
Explains how to use the OSS application programming 
interface of the operating system.
Open System Services System 
Calls Reference Manual
Describes the syntax and programming considerations 
for using OSS system calls.










