declare functions in c code example
Example 1: declare variable in c
int i, j, k;
char c, ch;
float f, salary;
double d;
Example 2: function in c
void function(){
printf("I am a function!");
}
int main(void) {
function();
}
Example 3: how to write function in c
// Here is a function declaraction
// It is declared as "int", meaning it returns an integer
/*
Here are the return types you can use:
char,
double,
float,
int,
void(meaning there is no return type)
*/
int MyAge() {
return 25;
}
// MAIN FUNCTION
int main(void) {
// CALLING THE FUNCTION WE MADE
MyAge();
}
Example 4: functions in c programming
/* function return type is void and it doesn't have parameters*/
void introduction()
{
printf("Hi\n");
printf("My name is Chaitanya\n");
printf("How are you?");
/* There is no return statement inside this function, since its
* return type is void
*/
}
int main()
{
/*calling function*/
introduction();
return 0;
}
Example 5: declare structure in c
struct num{
int a ;
int b;
};
int main()
{
struct num n;
//accessing the elements inside struct
n.a=10;
n.b=20;
}