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C programming pointer
The document contains two C programming examples demonstrating the use of pointers. The first example declares an integer variable a, assigns its memory address to a pointer variable p, and prints the value of a, address of a, value of p, and address of p. The second example defines a function greater that takes two integer pointers as arguments, dereferences them to compare the values, and prints which one is greater.
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C programming pointer
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- 5. #include<stdio.h> #include<conio.h> voidmain() { int a=5,*p; p=&a; clrscr(); printf(“Value of a = %dn” ,a); printf(“Address of a = %un” ,p); printf(“Value of *p = %dn” ,*p); printf(“Address of p = %un” ,&p); getch(); } EXTRA
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- 7. #include<stdio.h> #include<conio.h> voidgreater(int*, int*); void main() { int a,b; clrscr(); printf(“Enter the value of a & bn”); scanf(“%d%d”,&a,&b); greater(&a,&b); getch(); } void greater(int *a, int *b) { if(*a>*b) { printf(“a is greater then b”); } else { printf(“b is greater then a”); } } EXTRA