extern int x1f4_vset_lxfile(void *lxfile, void **context);
x1f4_vset_lxfile function adds the symbolic constant definitions for
lxfile file library into the variables collection of which address
is to be read from
context address and of which address (if modified by
x1f4_vset_lxfile) is to be stored back at the same
See (aime)The File Open Definitions.
See Variables Collections.
The function returns
0 for success, one of variables collections
construction errors for failure.