You can pass a structure variable to a function as argument like we pass any other variable to a function. Structure variable is passed using call by value. We can also pass individual member of a structure as function argument.
C Program to Pass Structure Variable to Function
In below program, we are passing a member variable to printAge function and whole structure variable to printEmployeeDetails function.
#include <stdio.h>
struct employee {
char name[100];
int age;
float salary;
char department[50];
};
void printEmployeeDetails(struct employee emp){
printf("Employee Details\n");
printf(" Name : %s\n Age : %d\n Salary = %f\n Dept : %s\n",
emp.name, emp.age, emp.salary, emp.department);
}
void printAge(int age){
printf("\nAge = %d\n", age);
}
int main(){
struct employee employee_one, *ptr;
printf("Enter Name, Age, Salary and Department of Employee\n");
scanf("%s %d %f %s", &employee_one.name, &employee_one.age,
&employee_one.salary, &employee_one.department);
/* Passing structure variable to function */
printEmployeeDetails(employee_one);
/* Passing structure member to function */
printAge(employee_one.age);
return 0;
}
Output
Enter Name, Age, Salary and Department of Employee Rose 35 1234.5 Purchase Employee Details Name : Rose Age : 35 Salary = 1234.500000 Dept : Purchase Age = 35