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15.11.1 Storage Management in DOS ..................... 345
15.11.2 Storage Management in MVS
..................... 345
15.12 PL/I and CICS
................................. 346
15.12.1 File Support
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 346
15.12.2 Statements not Supported
....................... 346
15.12.3 CALLing DUMP
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 346
15.12.4 Execution Options
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 346
15.12.5 Compatibility
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 346
15.12.6 PL/I-CICS/VS Transaction ABEND Codes
............... 346
15.12.7 PL/I Return from ON-units and CICS Transaction Backout
.... 347
Chapter 16. FORTRAN
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349
16.1 VS FORTRAN in OS/390
............................ 349
16.2 FORTRAN Conversion Considerations
.................... 349
Chapter 17. Language Environment (LE)
..................... 351
17.1 Introduction
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 351
17.1.1 General Comments on Language Environment
............ 351
17.1.2 Conceptual Differences between LE/VSE and OS/390 Language
Environment
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 352
17.2 VSE to OS/390 Migration Considerations
.................. 352
17.2.1 LE/VSE-conforming Languages
. . . . . . . . . . . . . . . . . . . . . 352
17.2.2 Useful Publications
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 353
17.3 Migrating from LE/VSE-Conforming Languages
.............. 353
17.3.1 C for VSE/ESA
............................... 353
17.3.2 COBOL for VSE/ESA
............................ 354
17.3.3 PL/I for VSE/ESA
.............................. 354
17.4 Migrating from Non-LE/VSE Run-time Environments
........... 354
17.4.1 Options Mapping
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 354
17.4.2 C/370
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 355
17.4.3 VS COBOL II
................................ 355
17.4.4 DOS/VS COBOL
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 356
17.4.5 DOS PL/I
................................... 356
17.4.6 VS FORTRAN
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 358
17.4.7 Migrating Interlanguage Communications Applications
....... 358
17.4.8 Migrating Assembler Applications
................... 359
17.5 Migrating from LE/VSE
............................. 359
17.5.1 Run-time Options
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 359
17.5.2 User Exits and Abnormal Termination Exits
.............. 364
17.5.3 Callable Services and Math Services
................. 365
17.5.4 LE/VSE 1.4 Locales
............................ 366
17.6 CICS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 366
17.6.1 COBOL and CICS
............................. 366
17.6.2 Run-time Options
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 366
17.6.3 User Exits and Abnormal Termination Exits
.............. 367
Chapter 18. Procedure Language REXX
...................... 369
18.1 REXX and VM/ESA
............................... 369
18.2 REXX and VSE/ESA
............................... 369
18.3 REXX and TSO/E
................................ 369
18.4 Environments
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 370
18.4.1 VSE/ESA Environment
. . . . . . . . . . . . . . . . . . . . . . . . . . . 370
18.4.2 VM/ESA Environment
. . . . . . . . . . . . . . . . . . . . . . . . . . . 370
18.4.3 TSO/E Environment
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 371
18.4.4 REXX Exec Sample for the OS/2, TSO and CMS Environments
.. 371
x VSE to OS/390 Migration Workbook