Path: utzoo!attcan!uunet!husc6!purdue!decwrl!megatest!djones
From: djones@megatest.UUCP (Dave Jones)
Newsgroups: comp.lang.c
Subject: Re: Casting function ptrs
Message-ID: <550@goofy.megatest.UUCP>
Date: 19 May 88 22:21:11 GMT
References: <281@marob.MASA.COM>
Organization: Megatest Corporation, San Jose, Ca
Lines: 35

in article <281@marob.MASA.COM>, daveh@marob.MASA.COM (Dave Hammond) says:
> 
> 
> Given a list of varying typed functions, their names and addresses:
> 
> struct funcs {
>     char *name;
>     unsigned (*func)();
> }
> char *foo();
> struct funcs f = {  "foo", (char *)foo };

...

typedef unsigned (*func_ptr)();

struct funcs {
  char* name;
  func_ptr func;
} func_table;

func_ptr
func_lookup()
{ ... whatever ... }

{
  func_ptr proc;
  char* func_name = ... whatever ...;
  unsigned result;

  if((proc = func_lookup(func_name)) != (func_ptr)0)
	result = (*proc)();
  else
	fprintf(stderr, "Shucks.\n");
}