Controlling Access to the Hierarchical File System › HFSSEC Control Option › Exit Processing › Initialization Parameter Addresses

Initialization Parameter Addresses

For an initialization function, the exit is passed the following parameter addresses:

+0

The address of a single byte containing the character ‘I’ indicating that this is an initialization function.

+4

The address of a 512‑byte work area for the use of the exit program.

+8

The address of a 255‑byte field in which the user can return the path location where user directories are located. Upon input, this field contains hex zeros.

+12

The address of a single byte which, when set to ‘Y’ by the exit, indicates that user ownership of files is in effect.

+16

The address of a 256‑byte translation table, which is used to translate certain special characters in a path name.