Types of user define function in c.
Types of user define function in c.
There are four type of user define function in c :–
(i) with argument-with return.
(ii) without argument -with return.
(iii) with argument – without return.
(iv) without argument -without return.
1. with argument -with return :-
In this type, function takes argument and return some value.
#include<stdio.h> // Global declaration of sum int sum(int,int); int main() { int a,b,c; printf("Enter the value of a and b"); scanf("%d%d",&a,&b); c=sum(a,b); // function calling printf("sum of a and b is %d",c); return 0; } // End of main function // function definition of sum int sum(int x,int y) //where x and y are formal argument { int z; z=x+y; return z; }
Output:-
Enter the value of a and b 10 5 sum is 15
2) Without argument-with return:-
In this type, function does not takes any argument and but it return some value.
#include<stdio.h> // Global declaration of sum int sum(void); int main() { int c; // function calling // here we do not pass any argument c=sum(); printf("sum is %d",c); return 0; } // End of main function // function definition of sum int sum(void) { int a,b,z; printf("Enter the value of a and b"); scanf("%d%d",&a,&b); z=a+b; return z; }
output:-
Enter the value of a and b 10 5 sum is 15
Types of user define function in c.
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