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C program to pass function as an argument to a function

mahmoud2506
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2022-05-03
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C program to pass function as an argument to a function

Given two integer values and we have to pass them to function 1, that will return the sum and then we have to pass function 1 as an argument to the function 2, which will print the sum in C.

Note: When, we will pass the fun_1() to the fun_2(), it will be treated as an integer values because fun_2() is taking an argument of integer type. So, first of all fun_1() will be executed and return the sum of the given parameters and sum will be passed to the fun_2() which will be processed.

Consider the given functions,

1) function 1 (fun_1)

    int fun_1(int a , int b)
    {
        return (a+b);
    }

Function is taking two integer arguments and returning their sum.

2) function 2 (fun_2)

    int fun_2(int temp)
    {
        printf("\nThe value of temp is : %d",temp);
    }

Function is taking an integer value and printing it.

Function calling seems to like ‘passing function to a function as an argument’

    fun_2(fun_1(i,j));

 

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mahmoud2506
2022-05-03
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Program to pass function as an argument to a function in C

/*  
C program to pass function 1 as an argument
to a function 2
*/

#include <stdio.h>

// function 1
int fun_1(int a , int b)
{
    return (a+b);
}

// function 2
int fun_2(int temp)
{
    printf("\nThe value of temp is : %d",temp);
}

// main function
int main()
{
    // define some variables
    int i=5 , j=6;
    
    // calling the function fun_2 and Passing
    // fun_1 as an argument to it
    fun_2(fun_1(i,j));
    
    return 0;
}

Output

The value of temp is : 11

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