Table of Contents (exploded view)
Abstract for Language Environment Runtime Application Migration Guide
z/OS Version 2 Release 1 summary of changes
Planning to migrate to Language Environment
Checklist for migration
Planning to link and run with Language Environment
Migrating from another Language Environment release
Migration actions required for each release
Migration considerations for Language Environment in z/OS V1R13
Migration considerations for Language Environment in z/OS V1R12
Setting runtime options as overrideable or nonoverrideable
Changes to the Language Environment runtime options report when issuing D CEE
Removal of conversion table source code
Changes to the CICS CLER runtime options report
Migration considerations for Language Environment in z/OS V1R11
Changes to the HEAPCHK runtime option
Changes to binary and decimal floating-point support in the CICS environment
Migrating from other runtime environments
Compatibility with previous runtime libraries
Migrating ILC applications to Language Environment
Migrating C routines to Language Environment
Migrating COBOL programs to Language Environment
Migrating Fortran routines to Language Environment
Migrating PL/I routines to Language Environment
Migrating assembler programs to Language Environment
Choosing runtime options for compatible behavior
Differences between runtime options
C and Language Environment runtime options comparison
COBOL and Language Environment runtime options comparison
Fortran and Language Environment runtime options comparison
PL/I and Language Environment runtime options comparison
Other HLL migration considerations
C considerations
Standard streams
Passing command line parameters
User exits
Time functions
Load modules that invoke a Debugging Tool
Prefix of perror() and strerror() messages in C
AMODE errors from ILCs
PL/I considerations
Dumps
Condition handling
User exits
SYSPRINT
Format and content of messages
VisualAge PL/I for OS/390 object compatibility
General considerations
Return and reason codes
Storage reports
Stream I/O