March 2007
Beginner
526 pages
13h 53m
English
book
Introduction to the New Mainframe: z/VSE Basics
by Wolfgang Bosch, Hans Joachim Ebert, Helmut Hellner, G. M. (Jerry) Johnston, Wilhelm Mild, Ingolf Salm, Joerg Schmidbauer, Martin Walbruehl, Mike Ebbers
Content preview from Introduction to the New Mainframe: z/VSE Basics
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Chapter 9. Using programming languages on z/VSE 231
A PL/I block is either a PROCEDURE or a BEGIN block, any of which contains
zero or more statements or zero or more blocks.
A procedure is a sequence of statements delimited by a PROCEDURE
statement and a corresponding END statement, as shown in Example 9-6. A
procedure can be a main procedure, a subroutine, or a function. An application
must have exactly one external procedure that has OPTIONS(MAIN). It may
have further internal PROCEDUREs.
Example 9-6 A PROCEDURE block
A: procedure_name;
statement-1
statement-2
.
.
.
statement-n
end A;
A BEGIN block is a sequence of statements delimited by a BEGIN ...
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