“C Funktionen” Code-Antworten

C Funktionen Beispiel

#include <stdio.h>
int addNumbers(int a, int b);         // function prototype

int main()
{
    int n1,n2,sum;

    printf("Enters two numbers: ");
    scanf("%d %d",&n1,&n2);

    sum = addNumbers(n1, n2);        // function call
    printf("sum = %d",sum);

    return 0;
}

int addNumbers(int a, int b)         // function definition   
{
    int result;
    result = a+b;
    return result;                  // return statement
}
Different Duck

C Definieren Sie die Funktion

//INCLUDING BUILT-IN LIBRARIES...
#include <stdio.h>
#include <stdlib.h>
//PRE-DEFINE CONSTANT VALUES...
#define MAXNUM -12    //defining an integer
#define PI 3.1415     //defining a float
#define END "\n\n\t\tProgram has ended!!\n"   //defining a string
//PRE-DEFINING CONSTANT OPERATIONS...
#define ADD(a, b, c) (a + b + c)    //Operation that will add its 3 parameters

int main(){
    //using other definitions to check if the current device is Windows or UNIX
    #ifdef _WIN32   
        printf("\nWindows Operating System Detected\n");
    #elif linux
        printf("\nUNIX Operating System Detected\n");
    #else
        printf("\nOperating System could NOT be identified!\n");
    #endif
    
    printf("\nUsing pre-defined values and operations: ");
    printf("\n • MAXNUM: %d",MAXNUM);       //using pre-defined integer
    printf("\n • PI: %f",PI);               //using pre-defined float
    printf("\n • ADD(): %.2f",ADD(2,5,99.5));   //using pre-defined function

    printf(END);    //using pre-defined string
    return 0;
}
ALeonidou

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