Added book examples

C17/arrays_to_functions_example_1.c

@@ -0,0 +1,40 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+// Simple function to populate an integer array 
+void PopulateTheArray ( int Size, int ArrayData[])
+{
+    int i;      // Variable to use in our loop
+
+    for ( i = 0 ; i < Size ; i++)
+    {
+        ArrayData[i] = 2*i + 1; // Treat it like a normal array
+    }
+}
+
+
+// Simple function do display contents an integer array
+void DisplayTheArray ( int Size, int ArrayData[])
+{
+    int i;      // Variable to use in our loop
+ 
+    for ( i = 0 ; i < Size ; i++)
+    {
+        printf ("Item %d of the array contains %d\n", i, ArrayData[i]);
+    }
+}
+
+// Main () - execution starts here
+int main (void)
+{
+    int Data[10];
+
+    // Pass the size of the array and the array to our function - 					
+    // remembering that the array name on its own is the base address, 
+    // and so is the same as passing &Data[0]
+
+    PopulateTheArray(10, Data);
+    DisplayTheArray(10, Data);
+
+    return (0);     // Exit indicating sucess
+}

C17/arrays_to_functions_example_2.c

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+#include <stdio.h>
+#include <stdlib.h>
+
+// Simple function to populate an integer array
+void PopulateTheArray ( int Size, int ArrayData[])
+{
+    int i;      // Variable to use in our loop
+
+    for ( i = 0 ; i < Size ; i++)
+    {
+        ArrayData[i] = 2*i + 1; // Treat it like a normal array
+    }
+}
+// Simple function do display contents an integer array
+void DisplayTheArray ( int Size, int ArrayData[])
+{
+    int i;      // Variable to use in our loop
+
+    for ( i = 0 ; i < Size ; i++)
+    {
+        printf ("Item %d of the array contains %d\n", i, ArrayData[i]);
+    }
+}
+// Main () - execution starts here
+int main (void)
+{
+
+    int iSizeForArray;
+    int *pData;              // A pointer to hold the base address of out array
+
+    // Ask for the size of the array and store result
+
+    printf("\nPlease enter the size of the array to dynamically allocate");
+    scanf ("%d", &iSizeForArray);
+
+    // Use calloc with checking
+    pData = calloc ( iSizeForArray, sizeof (int));
+
+    // Check we got the memory
+    if ( pData == NULL)
+    {
+        printf ("\nSorry, I could not allocate the memory, bye!");
+        return -1;
+    }
+
+    // Pass the size, iSizeForArray) and the pointer created 
+    // which points to the start of the sucesfully allocated memory
+
+    PopulateTheArray(iSizeForArray, pData);
+    DisplayTheArray(iSizeForArray, pData);
+
+    free (pData);	    // Free up the memory before exiting
+
+    return (0);     // Exit indicating sucess
+}