Create structure to hold student record - C Structure

C examples for Structure:Structure Value

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Description

Create structure to hold student record

Demo Code

#include <stdio.h>

#define CSIZE 4//from  w w w. j  a  va2 s.com
#define NAMELEN 20
#define GRADELEN 3

struct Name
{
   char first[NAMELEN];
   char last[NAMELEN];
};

struct Student
{
   struct Name name;
   float grades[GRADELEN];
   float average;
};

void getgrades(struct Student *);
void getaverage(struct Student *);
void showstudentinfo(struct Student *);

int main(void)
{
   struct Student students[CSIZE] = {
      {  { "A", "M" } },
      {  { "B", "K" } },
      {  { "C", "S" } },
      {  { "D", "P" } }
   };

   for (int i = 0; i < CSIZE; i++)
      getgrades(&students[i]);

   for (int i = 0; i < CSIZE; i++)
      getaverage(&students[i]);

   for (int i = 0; i < CSIZE; i++)
      showstudentinfo(&students[i]);

   return 0;
}

void getgrades(struct Student * student) {
   for (int i = 0; i < GRADELEN; i++) {
      printf("Enter grade %d for student %s %s: ", i + 1, student->name.first, student->name.last);
      while (scanf("%f", student->grades + i) != 1)
         while (getchar() != '\n')
            continue;
      while (getchar() != '\n')
         continue;
   }
   puts("");
}

void getaverage(struct Student * student) {
   float total = 0;
   for (int i = 0; i < GRADELEN; i++)
      total += student->grades[i];
   student->average = total / GRADELEN;
}

void showstudentinfo(struct Student * student) {
   printf("Name: %s %s\n", student->name.first, student->name.last);
   printf("Grade 1: %.1f\n", student->grades[0]);
   printf("Grade 2: %.1f\n", student->grades[1]);
   printf("Grade 3: %.1f\n", student->grades[2]);
   printf("Average Grade: %.1f\n", student->average);
   puts("");
}

Result


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