#include <stdio.h>
#include <rpc/rpc.h>
#include "get_grade.h"

#define GRADE_FILE "grades"
#define NO  0
#define YES  1

char *
get_grade_1(id_num)
	stu_id_num	*id_num;
{
 static char	grade;
 FILE	*fp;
 char	tmp_id_num[ID_NUM_SIZE+1];
 int	done;

 done = NO;
 if ((fp = fopen(GRADE_FILE, "r")) != NULL) {
	while(done == NO && fscanf(fp, "%s %c", tmp_id_num, &grade) != EOF) {
		if (strncmp(*id_num, tmp_id_num, ID_NUM_SIZE) == 0) {
			done = YES;
		}
	}
	fclose(fp);
 } else {
	fprintf(stderr, "Cannot open file %s\n", GRADE_FILE);
 }
 if (done == NO) {
	grade = NO_GRADE;
 }
 return(&grade);
} /*get_grade */