/*

  Kenneth L Moore
  CIT 145
  file scan.c - features of scanf 
  20/01/02 20:06
  
*/

#include <stdio.h>

int main()
{
   //char c1, c2;          
   int i, j, k;   
   int ret;
   //long l;    
   float f;  
   char str[256];
 
  
   printf( "\nEnter some floats...-1.0 or Ctl Z to stop\n" );
   while ( (( ret = scanf( "%f", &f ) ) !=  EOF) &&(f!=-1.0)) /* continue till end-of-file */
   {
      if ( ret == 1 )
      {
         printf( "You entered %.7g\n", f );
      }
      else
      {
         printf( "What was that?  Try again...\n" );
         fflush( stdin );
      }
   }

   printf( "\nEnter dates as MMDDYY (no slashes) 13 or Ctl Z to stop\n" );
   while( (( ret = scanf( "%2d%2d%2d", &i, &j, &k ) ) != EOF)&&(i!=13) )
   {
      if ( ret == 3 )
      {
         printf( "You entered %02d-%02d-%02d\n", i, j, k );
      }
      else
      {
         printf( " Try again...\n" );
         fflush( stdin );
      }
   }

   printf( "\nEnter dates as MM/DD/YY (with slashes) 13 or Ctl Z to stop\n" );
   while( ( ret = scanf( "%2d/%2d/%2d", &i, &j, &k ) ) != EOF &&(i!=13) )
   {
      if ( ret == 3 )
      {
         printf( "You entered %02d-%02d-%02d\n", i, j, k );
      }
      else
      {
         printf( "As if!  Try again...\n" );
         fflush( stdin );
      }
   }

   printf( "\nEnter a series of strings ? or Ctl Z to stop\n" );
   while ( (scanf( "%s", str) ) != EOF && (str[0]!='?'))
   {
      printf( "[%s]\n", str );
   }

   printf( "\nEnter a series of strings of 6 chars or less ? or Ctl Z to stop\n" );
   while ( (scanf( "%6s", str) ) != EOF && (str[0]!='?') ) /* take at most 6 chars */
   {
      printf( "[%s]\n", str );
   }
   /*
   printf( "\nEnter a line of words in single quotes - \'word1\'\n" );
   scanf( " \'" );                      
   if ( (scanf( "%[^\']", str) ) == 1 )         
   {
      printf( "<%s>\n", str );
   }
   fflush( stdin );

   printf( "\nEnter words delimited by regular punctuation\n" );
   while ( (scanf( " %[^ ?;-,.\n]%*c", str) ) >= 1 )
   {
      printf( "(%s)\n", str );
   }

   printf( "\nEnter a series of characters\n" );
   while ( (scanf( "%c", &c1) ) != EOF )
   {
      printf( ( (c1 < ' ') ? "<%#.2x>" : "<%c>" ), c1 );
   }
   printf( "\n" );
   */
   return( 0 );
}