Return codes

Register 15 contains a return code indicating if an environment was successfully initialized. Possible return codes (in decimal) are:
0
A new environment was successfully initialized.
4
The function code is not valid.
8
All addresses in the table were not resolved. This can occur if a LOAD failure was encountered or a routine within the table was generated by a non-Language Environment-conforming HLL.
12
Storage for the preinitialization environment could not be obtained.
16
CEEPIPI was called from an active environment other than a CEEPIPI main_dp environment.
32
An unhandled error condition was encountered. This error is a result of a program interrupt or other abend that occurred that prevented the preinitialization services from completing.