chetty@world.std.com (Chetty Ramanathan) (12/21/89)
consider the following c statement to create a menu
mymenu = defpup("Menu %t |item_1 %f",foo);
the function foo() gets called if item_1 is selected. The value of the
argument passed to foo() will be 1.
Is it possible to pass a pointer to some structure as the argument to foo(),
If so how should the argument to defpup() be defined. The reason I want
to do this is that I want to avoid using global variables.
I came up with a rather ugly way to do it, and I'm looking for a more
elegant solution.
strcpy(str1,"Menu %t |item_1 %f%x");
sprintf(str2, "%s%ld", str1, &s); /* s is of type mystruct */
mymenu = defpup(str2, foo);
foo(v)
long v;
{
mystruct *s;
s = v;
now I can access the structure by saying
rect(s->x0, s->y0,....)
}
-chetty
-------------------------------------------------------------------------------
C.Ramanathan |
Software Tool & Die, Purveyors to the Trade |chetty@world.std.com
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--
-chetty
-------------------------------------------------------------------------------
C.Ramanathan |
Software Tool & Die, Purveyors to the Trade |chetty@world.std.com