Runtime migration issues with earlier z/OS C/C++ applications
Runtime migration issues with earlier z/OS® C/C++ programs result from changes in the Language Environment® services, or in changes in functionality of runtime options.
Be aware of the following potential migration issues:
- Earlier AMODE 64 applications
- Retention of previous runtime behavior
- Failure of authentication process
- Internationalization issues
- Changes in math library functions
- Changes in floating-point support
- Changes in allocation of VSAM control blocks
- Changes to st_mode attribute of AF_UNIX socket files
- Changes to strfmon() output
- Changes to structure t_opthdr in xti.h
- Removal of conversion table source code