The corresponding warning has been ignored for ages:
prepend_args.c:75: warning: initialization makes pointer from integer
without a cast
This is fatal on ia64. You cannot convert an implicit int return from
an undeclared function to a pointer as you've lost the upper 32 bits.
On ia64, the warning is "pointer from different sized integer".
(This file is not vendor branched)
default options for diff. These options are interpreted first and can be
overwritten by explicit command line parameters.
* Add the "-o" option to specify old-traditional output style.
* Add utility functions for env vars obtained from GNU Grep 2.3h.