Thanks for the help.  Will a pointer to void work okay?  For example

static void *Beginning( void );
static void *Middle( void );
static void *Ending( void );
static void *(*State)();

void main( void )
{ for( State = Beginning; State != 0; State = State() );

void *Beginning( void )
{ return Middle;

void *Middle( void )
{ return Ending;

void *Ending( void )
{ return 0;

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