#includeintsum();voidmain(){printf("Going to calculate the area of the square\n");float area =square();printf("The area of the square: %f\n",area);}intsquare(){float side;printf("Enter the length of the side in meters: ");scanf("%f",&side);return side * side;}
C
تابع حساب متوسط ل 5 ارقام :
#includevoidaverage(int,int,int,int,int);voidmain(){int a,b,c,d,e;printf("\nGoing to calculate the average of five numbers:");printf("\nEnter five numbers:");scanf("%d %d %d %d %d",&a,&b,&c,&d,&e);average(a,b,c,d,e);}voidaverage(int a,int b,int c,int d,int e){float avg;
avg =(a+b+c+d+e)/5;printf("The average of given five numbers : %f",avg);}
C
تابع معرفة ان كان عدد زوجي ام فردي :
#includeinteven_odd(int);voidmain(){int n,flag=0;printf("\nGoing to check whether a number is even or odd");printf("\nEnter the number: ");scanf("%d",&n);
flag =even_odd(n);if(flag ==0){printf("\nThe number is odd");}else{printf("\nThe number is even");}}inteven_odd(int n){if(n%2==0){return1;}else{return0;}}