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IBM AS/400 manual control-record format, subfile

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control-record format, subfile 335		Create	Program		(CRTPGM)	command 27
Conversion	Aid	and	ILE	18
See converting to RPG IV		creating		a	program	73
conversion	reports	examples		98

obtaining

389

binding

multiple

modules

84

sections

of

394

parameters

83

using

394

system

actions

83

conversion,

analyzing

393

using

82

converting

to

RPG

IV

Create

RPG

Module

(CRTRPGMOD)

command

analyzing

your

conversion

393

and

ILE

18

constraints

382

default values of parameters 74

conversion

problems

398

defaults

75

converting

382

examples

97, 98

converting all file members 388

parameter

description

422

converting auto report source members 389

parameter grouping by function 74

converting some file members 388

program

creation

strategy

27

converting source from a data file 390

syntax

diagram

420

converting

source

members

with embedded

using

74

SQL

390

Create

Service

Program

(CRTSRVPGM)

command

CVTRPGSRC

command

383

and

ILE

18

example

390

example

97

file and member names 381

parameters

92

file

considerations

380

creating a binder listing 85

file

record length

380

creating

a

debug

view

log file

381

COPY

168

obtaining

conversion

reports

389

listing

168

overview

379

root

source

167

performing a trial conversion 388

statement

169

requirements

381

creating

a

library

51

using

a

conversion

error

report

394

creating

a

module

using the log file 396

general

discussion

73

valid source member types 380

using

CRTRPGMOD

74

CoOperative

Development Environment/400

using

CRTRPGMOD

defaults

75

(CODE/400)

creating a program with the CRTBNDRPG

description

14

command

57

event

file

411

creating a source physical file 51

coordinating listing options with debug view optionscreating69 programs

correcting

compilation

errors

66

coding

considerations

45,

46

correcting run-time errors 68

examples

of

59,

60,

61,

84

Create

Bound

RPG

Program

(CRTBNDRPG)

command

OPM-compatible

and

ILE

18

creating

23

coordinating listing options with debug view

69 strategy to avoid 31

creating

programs

57

strategies for

23

default

parameter

values

58

CRTPGM

command

82

examples

ILE

application

using

CRTRPGMOD

27

OPM-compatible program 61

OPM-compatible

23

program for source debugging 59

strategy

to

avoid

31

program with static binding 60

using

CRTBNDRPG

25

parameter description

408

using CRTRPGMOD and CRTPGM 73

parameters grouped by function 58

using the one-step process 57

program creation strategy 23, 25

creating

service

programs

RETURNCODE

data

area

70

about

91

syntax

diagram

406

strategies

92

using

57

cross-reference listing 434

Create

Heap

(CEECRHP)

bindable

API

20, 120

CRTBNDRPG command

See Create

Bound

RPG

Program (CRTBNDRPG)

command

Index 447

Image 471

IBM AS/400 manual control-record format, subfile

Contents

ILE RPG for AS/400 Programmers Guide AS/400eVersion Page ILE RPG for AS/400 Programmers Guide AS/400eVersion comments ThirdEdition 1999RPG Introduction Contentswith a Service Program ChapterCreating vi ILE DebuggingHandling Chapter 14. Defining Files Working with Files and DevicesFiles FilesRPG for AppendixesAppendix B. Using the RPG III to RPG Chapter 19. Example of anCOPY Indexare inconsistent Noticescountry such provisionsProgramming Interface Information Trademarks and ServiceNotices xiv ILE RPG for AS/400 Programmers Guide About This Guide GuideWho Should Use This Prerequisite and Related Information How to Send Your CommentsWhat s New ThisRelease? EVALR NODEBUGIOEVAL NumbersAbout This Guidexix ElementElement xx ILE RPG for AS/400 Programmers GuideChanges to this Guidexxii ILE RPG for AS/400 Programmers Guide ILE RPG Introduction 2 ILE RPG for AS/400 Programmers Guide section RPG IV SpecificationsChapter 1. Overview RPG IV OverviewCycle Programming RPG IV OverviewFigure 1. RPG Program Logic Cycle The first Subprocedure logicIndicators RPG IV OverviewExample of an ILE RPG Program Operation CodesProgram Example of an ILE RPGProgram Control SpecificationsFile Description Specifications RATE Output SpecificationsExample of an ILE RPG Program NAMEChapter 1. Overview of the RPG IV Programming9 Language A SubprocedureExample of an ILE RPG Program REGISTERfor the week Example of an ILE RPG ProgramThe Entire Source Program This program creates a printed output of employees payExample of an ILE RPG Program Figure 4 Part 2 of 3. A Sample Payroll Calculation ProgramChapter 1. Overview of the RPG IV Programming11Language Using UsingInteracting with the System OS/400 Systemfor AS/400 ToolsApplication Development AS/400 ToolsAS/400 Tools IBM VisualAge RPG and Cooperative Development Environment for AS/400¹ Program verification- performs, at the workstation, the full range o AS/400 Tools16 ILE RPG for AS/400 Programmers Guide AS/400 ToolsChapter 2. RPG Programming in ILE Program CreationRPG Programming in ILE RPG Programming in ILE or CRTSRVPGMFigure 5. Program Creation in ILE Program Management Program Callin ILE shown Source DebuggingBindable APIs RPG Programming in ILETHREAD*SEREALIZE Multithreaded ApplicationsRPG Programming in ILE suppo22 ILE RPG for AS/400 Programmers Guide RPG Programming in ILEOPM-Compatible Application Chapter 3. Program Creation StrategiesStrategy 1 OPM-Compatible Application MethodExample of OPM-Compatible Program Effect of ILEOPM-Compatible Application CRTBNDRPG UsingILE Program Using CRTBNDRPG Related InformationFigure 7. ILE Program Using CRTBNDRPG Example of ILE ProgramUsing ILE Program Using CRTBNDRPGRelated Information ILE Application Using CRTRPGMODCRTRPGMOD Strategy 3 ILE ApplicationSingle-Language ILE Application ScenarioILE Application Using CRTRPGMOD MethodMixed-Language ILE Application Scenario ILE Application Using CRTRPGMODFigure 8. Single-Language Application Using CRTRPGMOD and CRTPGM Advanced Application Scenario ILE Application Using CRTRPGMODMixed-Language Application Related Information A Strategy to AvoidA Strategy to Avoid Servicesplit the default activation group and any named activationA Strategy to Avoid WhenMultiple Procedures Module Chapter 4. Creating an Application Using Multiple ProceduresPrototyped Calls Multiple Procedures ModuleMODULE 13. Prototype for FmtCust Procedure Multiple Procedures ModulePrototype for procedure FmtCust Note the PR on definition specification. It has two output parametersMultiple Example of Module withExample of Module with Multiple Procedures NumToC Proceduresin Fmt module Example of Module with Multiple ProceduresFigure 22 Part The Entire ARRSRPT ProgramExample of Module with Multiple Procedures ARRSRPT *PGM ARRSRPT *MODULE Main Procedure InArrears FmtCust42 ILE RPG for AS/400 Programmers Guide Example of Module with Multiple ProceduresFigure 22 Part ILE RPG Complete Source for ARRSRPT ModuleDaysLate*D Example of Module with Multiple ProceduresChapter 4. Creating an Application Using Multiple43 Procedures SUBDURARRSRPT Output for ARRSRPTCoding Considerations General ConsiderationsCoding Considerations Coding Considerations Main Procedure ConsiderationsSubprocedure Considerations Program CreationMain Procedures SubproceduresFor Further Information For Further Information Prototyped CallCreating Application50 ILE RPG for AS/400 Programmers Guide Source StatementsFile Chapter 5. EnteringUsing SEU Using the Source Entry UtilityUsing SEU 28. Source for EMPRPT member Using SEUProcedure EMPTYPE returns a string representing the employee type indicated by the parameter CODEUsing SQL Statements Using SQL StatementsRefer toADTS thefor AS/400 Source Entry Using SQL Statementsfor AS/400 SQL Programming manual and theDB2 UDB for AS/400 SQL Reference for moreCRTBNDRPG CommandUsing the CRTBNDRPG Command Using the CRTBNDRPGCreation Using the CRTBNDRPG CommandListing OptionsCreating a Program for Source Debugging Using the CRTBNDRPG CommandConsiderations Binding Creating a Program with StaticUsing the CRTBNDRPG Command Creating an OPM-Compatible CommandUsing ¹ WRKOUTQ queue-nameFigure 32 Part 2 of 2. A Sample Payroll Calculation Program Using the CRTBNDRPG CommandPart A Sample Payroll Calculation ProgramObtaining a Compiler Using a Compiler ListingUsing a Compiler Listing ListingUsing Customizing a Compiler ListingCustomizing a Page Heading a Compiler ListingThe /SPACE Customizing the SpacingIndenting Structured Operations Using a Compiler ListingUsing ErrorsListing CompilationUsing In-Line Diagnostic Messages Using aCompiler Listing Using a Compiler Listing Correcting Run-time ErrorsUsing Additional-Diagnostic Messages Browsing a Compiler Listing Using SEUUsing a Compiler Listing Using a Compiler Listing forMaintenance Coordinating Listing Options with Debug View OptionsData AreaChapter 6. Creating a Program with the CRTBNDRPG Command71 Accessing the RETURNCODE Data Area72 ILE RPG for AS/400 Programmers Guide Accessing the RETURNCODE Data AreaChapter Commands7. Creating a Module ObjectCommand Using the CRTRPGMODCreating a Module Object Creating a Module Object Creating a NOMAIN ModuleCreating a Module Object COPY TRANSPFigure 36 Part 1 of 3. Source for TRANSSVC member Part Creating a Module ObjectPart Source for TRANSSVC memberCreating a Module for Creating a Module ObjectDebugging Creating a Module Object Source for TRANSRPT moduleOFLIND*INOF Behavior of Bound ILE Related CL CommandsAdditional Examples ModulesBinding Modules into a ProgramBinding Modules into a Program Using into aCRTPGM Binding Modules into a Program GroupValue CRTRPGMOD MODULEMYLIB/TRANSSVC Binding Modules into a ProgramConcepts for CRTRPGMOD MODULEMYLIB/TRANSRPTAdditional Examples Using a Binder ListingUsing a Binder Listing Related CL CommandsFULL Changing a Module or ProgramChanging a Module or BASICChanging a Module or Program Using the UPDPGM CommandLevel Changing the OptimizationChanging a Module or Program Removing ObservabilitySize Reducing an ObjectsChanging a 90 ILE RPG for AS/400 Programmers Guide Changing a Module or ProgramChapter 8. Creating a Service Program Service Program OverviewService Program Overview Strategies for Creating Service Programs Creating a Service Program Using CRTSRVPGMCreating a Service Program Changing A Service Program Related CL commandsa Service Program Using CRTSRVPGM Sample Service Program Sample Service ProgramSample Service Program Figure 42 Part 1 of 2. Source for Service Program CvtToHexChapter 8. Creating a Service Program95 96 ILE RPG for AS/400 Programmers Guide Sample Service ProgramSource for Service Program CvtToHex 42 PartFigure 44. Source for Binder Language for CvtToHex Creating the Service ProgramSample Service Program 43. Source for /COPY Member with Prototype for CvtToHex98 ILE RPG for AS/400 Programmers Guide Binding to a ProgramSample Service Program MODULProgram to test Service Program CVTTOHEX Sample Service Programto an Updating the ServiceSample Binder Listing add aSample Service Program Chapter 8. Creating a Service Program101Basic Binder listing for CVTHEXPGM 102 ILE RPG for AS/400 Programmers Guide Sample Service ProgramChapter 9. Running a Program Running a Program Using the CL CALL CommandPassing Parameters using the CALLRunning a Program Using the CL CALL Command Part Running a Program Using the CL CALL CommandPart ILE RPG Program that Requires Parameters at Run TimeApplication Running a Program From a Menu-Driven ApplicationRunning a Program From a Figure 51. Source for Menu Program Figure 50. Data Description Specification of an Application MenuRunning a Program From a Menu-Driven Application A* CMDPROMPTCommand Replying to Run-Time Inquiry MessagesReplying to Run-Time Inquiry Ending an ILE Program GroupsManaging Activation Managing Activation Groups Specifying an ActivationGroup Default CompatibilityRunning in the OPM Managing Activation Groups Reclaim Resources CommandDeleting an Activation GroupManaging the Default Heap Using RPG Operations Managing Dynamically-AllocatedStorage Managing Dynamically-Allocated Storage Name?ENDDO Managing Dynamically-Allocated Storage Chapter 9. Running a Program115next@ Managing Dynamically-Allocated Storage 116 ILE RPG for AS/400 Programmers Guidename@ Chapter 9. Running a Program117 Managing Dynamically-Allocated Storage52 Part 4 of 5. Memory Management - Build a Linked List of NamesHeap Storage Problems Managing Dynamically-Allocated Storageof 5. Memory Management - Build a Linked List of Names Managing Your Own Heap Managing Dynamically-Allocated StorageBindable APIs Managing Dynamically-Allocated Storage SeeAPI theReference54. /COPY file DYNARRI containing prototypes for DYNARRAY module Chapter 9. Running a Program121 Managing Dynamically-Allocated StoragePart of 2. Global variables and local prototypes for DYNARRAY2 of Figure 56 on page 123 shows the subprocedures in DYNARRAYManaging Dynamically-Allocated Storage Figure 55 PartPart DYNARRAY SubproceduresDYNARRAY Subprocedures Managing Dynamically-Allocated Storage124 ILE RPG for AS/400 Programmers Guide DYNARRAY SubproceduresManaging Dynamically-Allocated Storage Part 3 ofPart DYNARRAY SubproceduresDYNARRAY Subprocedures Managing Dynamically-Allocated StorageManaging Dynamically-Allocated Storage The logic of the subprocedures is as followsChapter 10. Calling Programs and Procedures Program/Procedure Call OverviewProgram/Procedure Call Overview calls Calling ProceduresCalling Programs Program/Procedure Call Overviewstack The Call StackProgram/Procedure Call Overview The call stackRecursive Calls Program/Procedure Call Overview59. Three Modules, each with subprocedures Parameter-Passing Considerations Program/Procedure Call Overview60. Recursive Call Stack To Be Avoided 132 ILE RPG for AS/400 Programmers Guide Program/Procedure Call OverviewUsing the CALLP Operation Using a PrototypedCall Calling within an Expression Using a Prototyped CallPassing by Reference Examples of Free-Form CallPassing Prototyped Parameters Parameter Passing StylesPassing by Value Passing Prototyped Parameters2 * MinLengthFirst + LengthLast + 1 %sizeName Passing Passing Prototyped ParametersUsing Operational Descriptors Passing Prototyped ParametersPrototype for ILE CEE API CEETSTA with CONST Parameter is a character string passed by read-only reference Omitting ParametersPassing Prototyped Parameters Len returns a 10-digit integer value. The parameter67. Prototype for System API QCMDEXC with Optional Parameter Passing *OMITLeaving Out Parameters Passing Prototyped ParametersChecking for the Number Passing Prototyped ParametersPassed 68 Part Source for procedure FMTADDRPassing Prototyped Parameters 3. Concatenate the complete address 4. ReturnFigure 68 Part 2 of 2. Source for procedure FMTADDR 69. Source for /COPY member with Prototype for Procedure FMTADDRPassing Prototyped Parameters DIM2 Source for procedure PRTADDRPassing Prototyped Parameters 70 PartParameters Passing Less Data Than Requiredeffect Order of EvaluationInterlanguage Calls Passing Prototyped ParametersCalling Considerations InterlanguageV4R4M0 Call OperationsUsing UsingCALLB only Using the Fixed-Form Call OperationsPLIST Passing Parameters Using PARMExamples of CALL and CALLB Operationsthe Fixed-Form Call Operations Using the PLIST OperationReturning from a Called Returning from a Main ProcedureProcedure Normal EndAbnormal End Returning from a Called Program or ProcedureReturning from a Subprocedure Returning from a Called Program or Procedurewithout Using Bindable APIs Returning using ILE BindableAPIs Examples of Using Bindable APIs Calling a Graphics RoutineCalling a Graphics Routine Calling Special Routines Multithreading ConsiderationsMultithreading Considerations How to AcrossShare Data to Avoid Deadlock Multithreading ConsiderationsModules Deadlock Example ConsiderationsLanguage Environment source debugger Debugging and Exception Handling¹ Debug an Integrated Language Environment application by using the This section describes how to162 ILE RPG for AS/400 Programmers Guide Chapter 11. Debugging Programs The ILE Source DebuggerThe ILE Source Debugger EQUATE Debug CommandsThe ILE Source Debugger ATTRTHREAD 3. EnterPF1 HelpThe ILE Source Debugger TBREAKPreparing a Program for Preparing a Program for DebuggingCreating a Root Source View for DebuggingCRTRPGMOD or Creating a Listing ViewCreating a COPY Source Preparing a Program for DebuggingCreating a StatementView Program for DebuggingStarting the ILE Source Debugger Starting the ILE SourceDisplay Module Source display for program DEBUGEX Setting Debug OptionsSTRDBG Example Starting the ILE Source DebuggerOPM source debug support field, and Adding/Removing Programs from a Debug Session ServiceExample of Removing ILE Programs from a Debug Session Example of Adding aViewing the Program Source Viewing the Program SourceViewing a Different Viewing the Program SourceModule Viewing the Program Source Changing the View of aModule 79. Source View of ILE C procedure cprocSetting and Removing Breakpoints Setting and Removing BreakpointsUnconditional Setting and RemovingBreakpoints Setting and Removing BreakpointsBreakpoint Setting anSetting and Removing Unconditional Thread Breakpoints Setting and Removing BreakpointsFigure 81. Setting an Unconditional Job Breakpoint Breakpoints Setting and RemovingExample of Setting a Conditional Job Breakpoint Using F13 Setting and Removing BreakpointsLine Command National Language Sort Sequence NLSSSetting and Removing Breakpoints 184 ILE RPG for AS/400 Programmers Guide Setting and Removing BreakpointsStatement Setting and Removing JobSetting UsingFigure 85. Sample Section of the Compiler Listing with OPTION*SRCSTMT Setting and Removing BreakpointsSetting a Breakpoint Using Statement View Figure 84. Sample Section of the Listing with OPTION*NOSRCSTMTSetting and Removing Conditional Thread Breakpoints Using the Work with Module Breakpoints DisplaySetting and Removing Breakpoints Conditions Debug CommandsSetting and Removing Watch Conditions Removing All Job andSource Characteristics of WatchesSetting and Removing Watch Conditions DisplayExample of a Work with Watch Display Setting Watch ConditionsCommand Setting and Removing Watch ConditionsSetting and Removing Watch Conditions Figure 89. Example of a Display Watch WindowChapter 11. Debugging Programs191 Displaying Active Watches Setting and Removing Watch ConditionsRemoving Watch Conditions Example of Setting a Watch Condition Example of Setting a Watch ConditionStepping Through the Program Object ObjectSTEP number-of-statements OVER Stepping Over Call StatementsStepping Through the Program Object Stepping Into Call StatementsStepping Through the Program Object Stepping Through the Program Object ENTRYPLIST Displaying Data and Expressions Figure 95. Stepping into Subprocedure SwitchStepping Through the Program Object Displaying a Field using the EVAL debug command Stepping Through the Program Objectˆ LASTNAME = Jones Fields Unexpected Results when Evaluating VariablesStepping Through the Program Object Scalarvariablefield-name is Displaying the Contents of an ArrayDisplaying the Contents of a Table Stepping Through the Program ObjectStepping Through the Program Object Displaying Data StructuresDisplaying Indicators Using EVAL with Data StructuresStepping Through the Program Object Displaying Displaying Fields as Hexadecimal Valuesin Character Format Stepping Through the Program ObjectDisplaying Null-Capable Fields DataDisplaying Variable-Length Fields by PointersFigure 102. Examples of %SUBSTR using DBGEX Stepping Through the Program ObjectChapter 11. Debugging Programs207 Value FieldsChanging the Value of Fields Equating a Name with or CommandEquating a Name with a Field, Expression, or Command Displaying Attributes of a FieldILE RPG Sample Source for Debug ExamplesExamples Figure 105 Part 1 of 4. Source for Module DBGEX Sample Source for Debug ExamplesDate, Time, Timestamp PARM1 is used when calling RPGPROG programSample Source for Debug Examples Pointers214 ILE RPG for AS/400 Programmers Guide Sample Source for Debug ExamplesFigure 105 Part Source for Module DBGEXprogram Sample Source for Debug Examples105 Part 4 of Source for Module DBGEX. DBGEX is the main module of thechar *ptr Figure 107. Source for C Procedure cproc. cproc is called by DBGEXSample Source for Debug Examples char *cprocunsigned int size, char *inzvalChapter 12. Handling Exceptions Exception Handling OverviewException Handling Overview 218 ILE RPG for AS/400 Programmers Guide Exception Handling OverviewEach boundary is controlreached boundary. ACall Stack and Exception Message Percolation Exception Handling OverviewILE RPG Exception Handling Exception Handling OverviewMain Exception Handling HandlingINFSR Handling Exception Handling OverviewNested Exceptions Using Exception HandlersUsing Exception Handlers Exception Handler Prioritymessages Using Exception HandlersFor other types ofExample of Unhandled Function Check Using Exception HandlersNote The Using RPG-Specific Handlers Optimization Considerationskeyword, ILE Extender Specifying Error Indicators or the Eblank Using an Error SubroutineBEGSR Using a File Error INFSR SubroutineTRNSUPDT This program is a simple inventory update program number Access the product master file using the transaction productIf the record is found, update the quantity in the master file If unexpected error occurs, cause inquiry message to be issuedspec Using a Program Error SubroutineExample of *PSSR Subroutine in Main Procedure ‘*DETC’Chapter 12. Handling Exceptions233 234 ILE RPG for AS/400 Programmers Guide 113. Example of Subprocedure *PSSR Subroutine with GOTOAvoiding MOVE Specifying a Return Point Using a Condition Handler ILE Condition HandlersILE Condition Handlers RPGHDLR RPG exception handling procedure ILE Condition Handlers Action codes areSHOWERR CEEHDLR ConditionILE Condition Handlers Show exception handling using a user-definedILE Condition Handlers Register the handler and generate errorsAPIs UsingCancel Handlersdefine a local *PSSR subroutine to handle the error Define the prototype for the cancel handler. This procedure isa local procedure Procedure SubProc. Call Enabler. Since this call will fail3 of Procedure Enabler. This procedure enables a cancel handlerEnabling and Coding a Cancel Handler for a Subprocedure Figure 118 Part119. Output from CANHDLR program Problems when ILE CL Monitors for Notify and Status MessagesHandler definitions If this is CPF4906, handle the notify msg, otherwise percolate120. ILE Condition Handler that Ignores CPF4906 Chapter 12. Handling Exceptions249 121. How to Ignore Status and Notify Messages250 ILE RPG for AS/400 Programmers Guide Obtaining an ILE RPG Formatted Dump Using the DUMP Operation CodeUsing the DUMP Operation Code Chapter 13. Obtaining a DumpProgram Status Information a FormattedDump of aDump Feedback Areasof a Figure 123. Feedback Areas section of Formatted Dump Example of a Formatted DumpData Information of aDump Example of a Formatted Dump Figure 125 Part 1 of 2. Data section of Formatted Dump256 ILE RPG for AS/400 Programmers Guide Example of a Formatted Dump Example of a Formatted Dump Working with Files and Devices 260 ILE RPG for AS/400 Programmers Guide Chapter 14. Defining Files Associating Files with Input/Output DevicesAssociating Files with Input/Output Devices Associating Files with Input/Output Devices DeviceNaming Files Types of File DescriptionsTypes of File Descriptions Example of Some Typical Relationships between Using Files withProgram-Described FilesDefining Externally Described Files Defining Externally DescribedFiles Defining Externally Described Files Renaming Record-Format NamesIgnoring Record Formats Renaming Field NamesDefining Externally Described Files Using Input SpecificationsModify an DescriptionDefining Externally Described FilesUsing Output Specifications Filesediting DDS Referin the Level Checking Defining Externally Described FilesOSLSREC Data Defining Program-Described FilesData Management Operations and ILE RPG I/O Operations RPG I/O Operations272 ILE RPG for AS/400 Programmers Guide Data Management Operations and ILE RPG I/O OperationsOperation OperationChapter 15. General FileConsiderations Overriding and Redirecting File Input and OutputOutput Inputand Output InputFile Locking File LockingRecord Locking Record LockingSharing an Open Data PathSpooling SpoolingFile Output SpoolingSRTSEQ/ALTSEQ SRTSEQ/ALTSEQ in an280 ILE RPG for AS/400 Programmers Guide SRTSEQ/ALTSEQPhysical Files and Logical Files Chapter 16. AccessingFiles Database FilesUsing Externally Described Disk Files Using Externally Described Disk FilesRecord Format Specifications Access PathDDS are for the customer master logical file CUSMSTL. The f Using Externally Described Disk FilesExample of the Data Description Specifications for a Database File The sampleUsing Externally Described Disk Files 140. Example of a field Reference File284 ILE RPG for AS/400 Programmers Guide Valid Keys for a Record FileDisk Using Externally Described Disk Files Argumentsa Partial Referring toRecord Blocking and Unblocking ¹ AUsing Externally Described Disk Files Arguments Using Program-Described Disk FilesUsing Program-Described Disk Files Indexed FileChapter 16. Accessing Database 289Files FilesHandling D K1 Sequential FileRecord Address File Using Program-Described Disk FilesMethods for Processing Disk Files Methods for Processing Disk FilesLimits Records Relative Record Numberstext Consecutive ProcessingMethods for Processing Disk Files subsequentDisk DATA DESCRIPTION SPECIFICATIONS DDSFigure 144 on page 294 andSequential-by-Key Processing Examples of Sequential-by-Key Processing146. DDS for database file EMPL1 logical file Methods for Processing Disk FilesFigure 144. DDS for database file EMPMST physical file 145. DDS for database file TRWEEK physical fileChapter 16. Accessing Database 295Files Methods for Processing Disk FilesSequential-by-Key Processing, Example Sequential-by-Key Using READ Methods for Processing Disk Files296 ILE RPG for AS/400 Programmers Guide ENUM for Processing Disk Files298 ILE RPG for AS/400 Programmers Guide Methods for Processing Disk FilesRandom-by-Key Processing Example of Random-by-Key ProcessingMethods for Processing Disk Files Methods for Processing Disk Files Sequential-within-Limits ProcessingDisk Files Examples of Sequential-within-Limits Processing2 Sequential-within-Limits Processing Methods for Processing Disk FilesDDS for record address file LIMITS physical file Methods for Processing Disk Files Relative-Record-Number ProcessingValid File Operations Valid File OperationsChapter 16. Accessing Database 305Files Valid File Operationsan A,P,G,D,T,Z A record-address Valid File OperationsUsing Commitment Control Using Commitment ControlAbridged for Commitment Control LocksUsing Commitment Control see theBackup and Recovery manualUsing the SpecifyingFiles 3.STRJRNPF FILEMASTER TRANS JRNJOURNAL Example of Using Commitment Control1.CRTJRNRCV JRNRCV RECEIVER 2.CRTJRN JRNJOURNAL JRNRCVRECEIVER3ENDCMTCTL ControlLCKLVL*ALL 2CALL. REVISECommitment Control in CycleDDM Files DDM FilesPre-V3R1 DDM Using314 ILE RPG for AS/400 Programmers Guide DDM FilesTypes AccessingExternally DevicesHandling Page Overflow Accessing Printer DevicesAccessing Printer Devices Specifying PRINTER FilesOverflow Accessing Printer DevicesAccessing Printer Devices Chapter 17. Accessing Externally Attached319Devices Example of Printing Headings on Every PageExample of Printing a Field on Every Page Accessing Printer DevicesUsing the Fetch-Overflow Accessing Printer DevicesPrinting a Field on Every Page Figure 159. Overflow Printing Setting of the Overflow Indicator Accessing Printer DevicesUse of Fetch Overflow Fetch OverflowExample of Specifying Fetch Overflow Accessing Printer DevicesChanging Forms Control FileInformation in Accessing Printer Devices FormsLayout of OPM PRTCTL Data Structure Accessing Tape Devices Accessing Tape DevicesFile Accessing Display DevicesUsing Sequential Files Using Sequential FilesUsing SPECIAL Files Using SPECIAL FilesFile Description Using SPECIAL FilesError StatusSpecifications Example of Using a Special FileSPECIAL Files UsingUsing SPECIAL Files User-written program USERIOPLISTSPCL Function Chapter 18. Using WORKSTN FilesUsing Externally Described WORKSTN Files Using Externally Described WORKSTN Files¹ Output Using Externally Described WORKSTN FilesUsing Externally Described WORKSTN Files Chapter 18. Using WORKSTN Files333R RESPONSE Specifying Function Key Indicators on Display Device Files DeviceUsing Externally Described WORKSTN Files Chapter 18. Using WORKSTN Files335 Using SubfilesProcessing an Externally Described WORKSTN File Using Externally Described WORKSTN FilesUsing Externally Described WORKSTN Files fieldSubfile Display Use of Subfiles Using Externally Described WORKSTN FilesData Description Specifications for a Subfile Record Format Using Program-Described WORKSTN Files Using Program-Described WORKSTN FilesOutput Specifications withUsing Program-Described WORKSTN Files Using a Program-Describedwithout Input SpecificationsCalculation Specifications NameCombined File Valid WORKSTN File OperationsInput File Output FileMultiple-Device Files EXFMT OperationREAD Operation WRITE OperationMultiple-Device Files 344 ILE RPG for AS/400 Programmers Guide Multiple-Device FilesChapter 19. Example of an Interactive Application Database Physical FileDatabase Physical File Main Menu Inquiry InquiryDDS for a Display Deviceto describing the constants, fields, line numbers, and ho CUSMAIN RPG SourceMain Menu Inquiry In additionMain Menu Inquiry Source for module CUSMAIN348 ILE RPG for AS/400 Programmers Guide Logical File MaintenanceFile Maintenance CUSMSTL1 DDS for aDevice DisplayFile Maintenance FileFile Maintenance Figure 174 Part 2 of 2. DDS for display device file MNTMENUChapter 19. Example of an Interactive 351Application CUSMNT RPG Source File MaintenanceDSPATRPR File Maintenance Chapter 19. Example of an Interactive 353ApplicationADD NEW CUSTOMER TO FILE File Maintenance SET MAINTENANCE MODE354 ILE RPG for AS/400 Programmers Guide F3 End Job File MaintenanceF6 Update Customer File Maintenance Display Mode prompt screen356 ILE RPG for AS/400 Programmers Guide File MaintenanceCustomer File Maintenance Display Mode screen Customer File Maintenance Add Mode prompt screenFile Maintenance YORKTOWNChapter 19. Example of an Interactive 357Application Search by Search by Zip CodeFile Device SZIPMENU DDSDisplay FileSearch by Zip Code 14DSPATRHIPROMPT SCHZIP RPG Source Search by Zip CodeChapter 19. Example of an Interactive 361Application 362 ILE RPG for AS/400 Programmers Guide Search by Zip Codeis written to the screen as shown in Figure 186 on page The subfileCUSMSTL3 DDS Search and Inquiry by NameSearch and Inquiry by Name FileSNAMMENU DDS for a Display DeviceFile Search and Inquiry by NameSearch and Inquiry by Name SCHNAM RPG SourceChapter 19. Example of an Interactive 367Application Search and Inquiry by Name¹ To Search and Inquiry by NameSUBROUTINE information by The userrequests moreSearch and Inquiry by Name 192. Customer Search and Inquiry by Name detailed information screen370 ILE RPG for AS/400 Programmers Guide  Copyright IBM Corp. 1994 Appendixes372 ILE RPG for AS/400 Programmers Guide Appendix RPG/400and ILE AS/400Running Differences Between OPM RPG/400 and ILE RPGDebugging and Exception RPG/400 Differences Between OPM RPG/400 ILE RPGDBCS Data in Character Fields ILE RPGDBCS ILE RPG 378 ILE RPG for AS/400 Programmers GuideDifferences Between OPM RPG/400 Conversion Overview Appendix B. UsingConversion Overview ConversionFile Considerations File Record LengthConversion Overview Overview The Log FileConversion Aid Tool Requirements FileWhat the Conversion Wont DoConverting Your Source Converting Your Sourcenames The CVTRPGSRC CommandConverting Your Source memberLIBL Converting Your SourceFROMFILE source-file-nameNONE Converting Your SourceTOFILE QRPGLESRCConverting Your Source Defaults Converting a Member UsingSource Converting Your Source Converting All Members in a Filea File Performing a Trial ConversionConverting Your Source Obtaining Conversion ReportsConverting Auto Report Source MembersExample of Source Conversion Inserting Specification Templatesa Data Example of Source ConversionThe converted source is shown in Figure 195 on page Exampleof Source Conversion To convert this source, enterExample of Source Conversion Figure 195. Converted RPG IV Source for TEST1ARR1 Analyzing Your Conversion Analyzing Your ConversionUsing the Conversion ReportAnalyzing Your Conversion Your Sample Source Section of Conversion ReportSample Message Summary of Conversion Report Using the Log File Analyzing Your ConversionCPYF FROMFILEQRPGLE/QARNCVTLG TOFILEMYLIB/QRNCVTLG CRTFILE*YES Appendix B. Using the RPG III to RPG IV397 Conversion Aid Analyzing Your Conversion200. DDS for model log file QARNCVTLG in library QRPGLE Resolving Conversion Problems Resolving Conversion ProblemsCompilation Errors in Existing RPG III Code Unsupported RPG III FeaturesConversion RPG III Source for TEST2RPG III Source for COPYDS1 Resolving Conversion Problems Context-Sensitive ProblemsUse of Externally StructuresResolving Conversion Problems 207. RPG III source using external data structure with array Merging an Array with an Externally Described DS SubfieldInitializing Resolving Conversion ProblemsRPG IV source with two definitions for renamed subfield Run-time DifferencesResolving Conversion Problems 210. RPG III source with renamed and initialized external subfield404 ILE RPG for AS/400 Programmers Guide Resolving Conversion ProblemsReading Syntax Diagrams Appendix C. The Create CommandsUsing CL Commands How to Interpret Syntax DiagramsCRTBNDRPG Command CRTBNDRPG Command3description32 CRTBNDRPG CommandAppendix C. The Create Commands407 3library-name/32Description of the CRTBNDRPG Command CRTBNDRPG CommandOPTION Details SRCMBR CRTBNDRPG CommandLIBL CURLIB410 ILE RPG for AS/400 Programmers Guide CRTBNDRPG CommandDEBUGIO StatementNumber = sourceID * 1000000 + sourceSEUsequencenumberSTMT CommandEVENTF DBGVIEWCRTBNDRPG Command character-valueEXPDDS, and LANGIDSHR CRTBNDRPG Commandsort-table-name LANGIDUNQREPLACE CRTBNDRPG CommandCRTBNDRPG Command 416 ILE RPG for AS/400 Programmers GuideLIBCRTAUT V2R3M5 target-releaseCommand binding-directory-nameUSRCTL ENTRYEXIT CRTBNDRPG CommandCRTRPGMOD Command CRTRPGMOD CommandAppendix C. The Create Commands421 CRTRPGMOD Command422 ILE RPG for AS/400 Programmers Guide Description of the CRTRPGMOD commandCRTRPGMOD Command of CRTRPGMODCompiler Listings Appendix D. Compiler ListingsCompiler Listings Compiler ListingPrologue Reading a4/ Source Compiler Listings2/ Module or Program 3/ Source memberSection Compiler ListingsSample Section of the Listing with OPTION*NOSRCSTMT Appendix D. Compiler Listings427 ListingsCompiler Listings Figure 217 Part 1 of 3. Sample Source Part of the Listing428 ILE RPG for AS/400 Programmers Guide Compiler Listings Figure 217 Part 2 of 3. Sample Source Part of the ListingAppendix D. Compiler Listings429 Ruler Line Compiler Listings1a/ *NOSRCSTMT Source Heading Line NumberListings DiagnosticAdditional SpecificationsSample Additional Diagnostic Messages with OPTION*SRCSTMT Output Buffer PositionsCOPY Member Table Sample Additional Diagnostic Messages with OPTION*NOSRCSTMT2/ Character to be Altered Compile-Time DataCompiler Listings 1/ Total Number of Characters AlteredFigure 223. Sample Key Field Information Key Field InformationCross-Reference Table Compiler ListingsExternal References List Compiler ListingsFigure 224. Sample Cross-Reference Table with OPTION*NOSRCSTMT Figure 225. Sample External References Message SummaryFinal Summary Compiler ListingsCode Generation and Binding Errors Compiler ListingsFigure 227. Sample Final Summary 438 ILE RPG for AS/400 Programmers Guide Compiler ListingsDevelopment BibliographyADTS/400 ProgrammingFORTRAN/400 GDDMAS/400 Bibliography442 ILE RPG for AS/400 Programmers Guide Special continuedSee Add Page CALL CL commands control-record format, subfile DBCS continued debugging continued NLSS NOOPT 364accesssummary Page Page alsoDISK See long alsoPARM creationcontinued methodscontinuedcallcontinued alsoILE debuggingcontinued programcontinuedWORKSTN Page WORKSTN file definition 331 examples 345 externally described ÉÂÔÙ Part Number 99H3778 Program Number 5769-RG1 Printed in U.S.A99H3778 SC09-2507-02