#include "vars.h"
#define NULL 0
extern int debug;

DefineVar( pch_varname , pch_value )
   char *pch_varname, *pch_value;
{
   int pos;

   pos = _Lookup( pch_varname );
   if( debug )
      printf( "Found var '%s' at position %d, defining as %s\n", pch_varname,pos, pch_value );
   if( NULL != avr_Vars[ pos ].string)
      printf("Redefining %s\n", pch_varname );
   avr_Vars[pos].string = pch_value;
}

char *
VarLookup( pch_varname )
   char *pch_varname;
{
   int pos;

   pos = _Lookup( pch_varname );
   if( debug )
      printf("found '%s' at position %d, value is %s\n", pch_varname, pos, avr_Vars[pos].string );
   return avr_Vars[pos].string;
}

static int
_Lookup( pch_varname )
   char *pch_varname;
{
   int pos;

   avr_Vars[n_Vars].pch_name = pch_varname;
   avr_Vars[n_Vars].string = NULL;
   pos = 0;
   while( strcmp(pch_varname, avr_Vars[pos].pch_name ))
      pos++;
   if( pos == n_Vars )
      n_Vars++;
   return pos;
}

int n_Vars = 0;
struct var avr_Vars[ MAXVARS ];