z/OS MVS Programming: Writing Servers for APPC/MVS
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Invocation Details for Allocate Queue Services

z/OS MVS Programming: Writing Servers for APPC/MVS
SA23-1396-00

Objective

This chapter describes the available programming languages, syntax and linkage conventions, and parameter types for the APPC/MVS allocate queue callable services.

The figure below shows a partial list of high-level language compilers that support APPC/MVS calls. Calls can be made with other compiler levels and other compiler products that meet the requirements and linkage conventions described in this chapter.

To use allocate queue services, programs must run in 31-bit addressing mode. Note that this requirement might limit some language functions you can use.

Table 1. Some High-Level Language Compilers for APPC/MVS Calls
Language Compiler
C C/370 Compiler Version 1, Release 2.0
COBOL VS COBOL II, Release 2.0
FORTRAN VS FORTRAN Compiler Version 2, Release 3.0
PL/I OS PL/I Compiler Version 2, Release 2.1
REXX TSO/E Version 2, Release 5

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