1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | #include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>
int main(int argc, char* argv[]) {
int n = 5; // Set n to 5.
printf("n == %d\n", n);
printf("&n == %p\n", (void*)&n);
// Print the "address of n."
int* a_n = &n;
// Declare a_n as the address of an int (aka int*).
// Set a_n to the address of n (aka &n).
printf("a_n == %p\n", (void*)a_n);
printf("*a_n == %d\n", *a_n);
// Print the "value at address a_n."
printf("\n// *a_n = 7;");
*a_n = 7;
// Store 7 at address a_n.
printf("n == %d\n", n);
printf("*a_n == %d\n", *a_n);
// Print the "value at address a_n."
return EXIT_SUCCESS;
}
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */
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