/*  File: struct1.c
    simple use of records.
*/
#include <stdio.h>
#include <malloc.h>
#include "genlib.h"
#include "simpio.h"
#include "strings.h"

typedef struct dummy_tag { 
        string	name ;
        string	major ;
	double	gpa ;
	} student_record ;

/* Function prototypes */
student_record read_record() ;
void print_record(student_record) ;

main() {
   student_record student1, student2, temp ; 

   student1 = read_record() ;
   student2 = read_record() ;
   print_record (student1) ;
   print_record (student2) ;
   printf("\n") ;

   /* Swap records: ANSI C only */
   temp = student1 ;
   student1 = student2 ;
   student2 = temp ; 

   print_record (student1) ;
   print_record (student2) ;
}


/* Read in one record */
student_record read_record() {
   student_record rec ;

   rec.name = GetLine() ;
   rec.major = GetLine() ;
   rec.gpa = GetReal() ;
   return(rec) ;
}

/* Print out one record neatly */
void print_record (student_record rec) {
   printf("%20s, %10s, GPA: %1.4f\n",
      rec.name, rec.major, rec.gpa) ;
}