COBOL Manual for TNS/E Programs (H06.08+, J06.03+)

File Description Entries......................................................................................................155
Sort-Merge File Description Entries......................................................................................173
Data Description Entries....................................................................................................175
Working-Storage Section.......................................................................................................175
Data Description Entries....................................................................................................176
Initializing Data Items.......................................................................................................177
Size Limits.......................................................................................................................178
Checkpointing.................................................................................................................178
Extended-Storage Section......................................................................................................178
Data Description Entries and Initializing Data Items..............................................................179
Addressing.....................................................................................................................179
Size Limits.......................................................................................................................179
Checkpointing.................................................................................................................179
Linkage Section....................................................................................................................179
Data Description Entries and Initializing Data Items..............................................................180
ACCESS MODE Clause....................................................................................................180
CALL Statement and USING Phrase....................................................................................181
Index-Names...................................................................................................................182
Absent Linkage Section.....................................................................................................182
Descriptions of Records (Levels 01-49)......................................................................................182
General Considerations....................................................................................................183
FILLER Keyword................................................................................................................186
REDEFINES Clause...........................................................................................................187
EXTERNAL Clause............................................................................................................190
GLOBAL Clause...............................................................................................................191
PICTURE Clause...............................................................................................................191
USAGE Clause................................................................................................................203
SIGN Clause...................................................................................................................210
OCCURS Clause for Fixed-Size Tables................................................................................211
OCCURS Clause for Variable-Size Tables............................................................................214
SYNCHRONIZED Clause..................................................................................................217
JUSTIFIED Clause.............................................................................................................218
BLANK WHEN ZERO Clause............................................................................................218
VALUE Clause.................................................................................................................219
BASED Clause.................................................................................................................220
Descriptions That Rename Items (Level 66)................................................................................221
Descriptions of Noncontiguous Elementary Items (Level 77)........................................................222
Descriptions of Condition-Names for Values (Level 88)...............................................................224
8 Procedure Division..................................................................................227
Procedure Division Components and Syntax.............................................................................228
Statements......................................................................................................................229
Sentences.......................................................................................................................234
Paragraphs.....................................................................................................................234
Sections..........................................................................................................................236
Procedures......................................................................................................................237
Declaratives Portion..........................................................................................................238
Execution of the Procedure Division.........................................................................................238
Statement Execution.........................................................................................................239
Sentence Execution..........................................................................................................239
Paragraph Execution........................................................................................................239
Section Execution.............................................................................................................240
Procedure Execution.........................................................................................................242
Declaratives Portion Execution............................................................................................242
Common Semantic Rules.......................................................................................................242
Contents 5