sbn.cassigment/work1/single.c

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C
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#include "stdio.h"
#include "stdlib.h"
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struct person_tag
{
char name[20];
char id[10];
};
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struct course_tag
{
char course_name[20];
int no_of_units;
int marks[4];
float avg;
};
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struct student_tag
{
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struct person_tag student_info;
struct course_tag course_info;
struct student_tag *next;
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};
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// core functions
void display_students();
void search_student();
void find_maximum();
void find_failed();
void update_file();
void read_file();
void quite();
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// util functions
void display_menu();
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int main(void)
{
// varibales
int selected;
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printf("Welcome!\n");
display_menu();
printf("\nGoodbye!");
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}
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void display_menu()
{
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printf("(1) Display students details\n");
printf("(2) Search for a students mark\n");
printf("(3) Find the details of student with the largest average\n");
printf("(4) Find the details of failed students\n");
printf("(5) Add new student to the record\n");
printf("(6) Quit program\n");
}