Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!uwm.edu!psuvax1!psuvm!cmh117
From: CMH117@psuvm.psu.edu (Charles Hannum)
Newsgroups: comp.lang.c
Subject: Re: Arrays of functions - calling them with different number of args.
Message-ID: <90066.040556CMH117@psuvm.psu.edu>
Date: 7 Mar 90 09:05:56 GMT
References: <8553@cbnewsh.ATT.COM> <90065.102500BRL102@psuvm.psu.edu>
Distribution: na
Organization: Penn State University
Lines: 29


In article <90065.102500BRL102@psuvm.psu.edu>, Ben Liblit <BRL102@psuvm.psu.edu>
says:
>
>In article <8553@cbnewsh.ATT.COM>, ijk@cbnewsh.ATT.COM (ihor.j.kinal) says:
>>
>>I've set up an array of 50 functions, to be called with one standard
>>argument, and my function call looks like this [which particular
>>function to be called is determined by the action_ind.
>>
>>                        action_tbl [ action_ind ] ( one_arg )
>>
>>        where the one_arg is a pointer to a particular type.
>>
>>Now, I want to add some functions that will have two arguments.
>
>The best solution I can think of is to stick with a single argument, but make
>one_arg a void pointer.  A particular function will typecast one_arg to a
>pointer to a structure containing the actual parameters to be used.  Make any
>sense?

... or you could use a variable argument list ...


Virtually,
- Charles Martin Hannum II       "Klein bottle for sale ... inquire within."
    (That's Charles to you!)     "To life immortal!"
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