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What is an array of structures in C language?
The most common use of structure in C programming language is an array of structures.
To declare an array of structures, first the structure must be defined and then, an array variable of that type can be defined.
For example, struct book b[10]; //10 elements in an array of structures of type ‘book’
Example
Given below is the C program for accepting and printing details of 3 students with regards to an array of structures −
#include <stdio.h>
#include <string.h>
struct student{
int id;
char name[30];
float percentage;
};
int main(){
int i;
struct student record[2];
// 1st student's record
record[0].id=1;
strcpy(record[0].name, "Bhanu");
record[0].percentage = 86.5;
// 2nd student's record
record[1].id=2;
strcpy(record[1].name, "Priya");
record[1].percentage = 90.5;
// 3rd student's record
record[2].id=3;
strcpy(record[2].name, "Hari");
record[2].percentage = 81.5;
for(i=0; i<3; i++){
printf(" Records of STUDENT : %d
", i+1);
printf(" Id is: %d
", record[i].id);
printf(" Name is: %s
", record[i].name);
printf(" Percentage is: %f
",record[i].percentage);
}
return 0;
}Output
When the above program is executed, it produces the following result −
Records of STUDENT : 1 Id is: 1 Name is: Bhanu Percentage is: 86.500000 Records of STUDENT : 2 Id is: 2 Name is: Priya Percentage is: 90.500000 Records of STUDENT : 3 Id is: 3 Name is: Hari Percentage is: 81.500000
Updated on: 09-Mar-2021
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