Problem:

Call x'91' function '69' HP Server Express implementation error, l-attributes

Resolution:

Not all functions of the  X'91' call are supported on UNIX. Many of the functions available under x'91' on DOS/Windows are not appropriate for UNIX systems

This information is from  the Server Express File Handling manual:

The only functions supported under Server Express are:

x"91" function 46 Enables null insertion

x"91" function 47 Disables null insertion

x"91" function 48 Enables tab insertion

x"91" function 49 Disables tab insertion

x"91" function 52 Specifies use of two-byte record terminators

x"91" function 53 Specifies use of one-byte record terminators