https://github.com/pereiradaniel/beginning_c/blob/master/ch2/init.c // init.c // Daniele Grech Pereira, 02 November 2022 // Demonstration of variables before and after initialization. #include <stdio.h> #define LENGTH(a) sizeof(a) / sizeof(a[0]) void display(char* string, int array[], int size); int main(int argc, char* argv[]) { int num[10] = {1,2,3,4,5,6,7,8,9,10}; // Simultaneously declare and initialize a variable. int num2[10]= {1,2,3}; // First three are specified, the rest set to 0. int num3[10]= {0}; // Easy way to initialize all array values with 0. int arr[10]; // Declare an array of ints without initializing. // Printing the uninitialized array int arr[] will display garbage and generate warnings // from valgrind. display("Printing int num[] which has been initialized with data:", num, LENGTH(num)); display("Printing int num2[] which has been initialized with...