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Categories / C Tutorial / Pointer

 

Using Pointers

Define a pointer: include a * before the name of the variable. Get the address: use &. #include <stdio.h> main () {    int i;            int * ia;         i = 10;           ia = &i;       printf (" The address of i is %8u \n", ia);              printf (" The value at that location is %d\n", i);       printf (" The value at that location is %d\n", *ia);     *ia = 50;                                    printf ("The value of i is %d\n", i);               } The address of i is 631672 The value at that location is 10 The value of i is 50