Added book examples

C7/getchar_example.c

@@ -0,0 +1,19 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void)
+{
+    // declare variable
+    char c;
+
+    // Wait for a kepypress, store result in c
+    c = getchar();
+
+    // Display on the screen using printf
+    printf ("The charcter pressed was %c\n", c);
+
+    // Display the charcter using putchar()
+    putchar(c);
+    
+    return 0;	    // Exit from main
+}

C7/scanf_example_1.c

@@ -0,0 +1,28 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void)
+{
+    int a;		    // Declare some variables
+    float f;
+
+    // Use printf to prompt the use to enter an integer
+    printf ("Please enter an integer\n");
+    
+    // use scanf with %d to read into 'a' 
+    scanf ("%d",&a);	// note the important & 
+    
+    // And display on the screen
+    printf ("The value you entered for a is %d\n", a);
+    
+	// Use printf to prompt the use to enter an float
+    printf ("Please enter a float\n");
+    
+    // use scanf with %f to read into 'f' 
+    scanf ("%f",&f);  // note the important & 
+    
+    // And display on the screen
+    printf ("The value you entered for f is %f\n", f);
+
+    return 0;     // Exit from main
+}

C7/scanf_example_2.c

@@ -0,0 +1,28 @@
+#include <stdio.h>
+
+int main(void)
+{
+    // Declare some variables
+    int a,b,c;
+    float f,g;
+
+    // Use printf to prompt the use to enter 3 integers
+    printf ("Please enter three integer\n");
+    
+    // use scanf with %d to read into a, b and c
+    scanf ("%d %d %d",&a, &b, &c);	// note the important & 
+    
+    // And display on the screen
+    printf ("The values entered were %d %d %d\n", a, b, c);
+    
+	// Use printf to prompt the use to enter an float
+    printf ("Please enter two floats\n");
+    
+	// use scanf with %f to read into f ang g
+    scanf ("%f %f",&f, &g);  // note the important & 
+    
+	// And display on the screen
+    printf ("The value you entered were %f and %f \n", f,g);
+    
+    return 0;	// Exit from main
+}

C7/string_with_gets.c

@@ -0,0 +1,19 @@
+#include <stdio.h> 
+#include <stdlib.h>
+int main() 
+{ 
+	// Declare variable - maximum 99 characters
+    char str[100]; 
+    
+    // Prompt for text
+    printf("enter some text\n"); 
+    
+    // Store intput in str 
+    gets(str); 
+    
+    // Display a message on the screen
+    printf("you entered : %s\n", str); 
+    
+    // Exit from main
+    return 0; 
+} 

C7/string_with_scanf.c

@@ -0,0 +1,20 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void)
+{
+    // Declare some variables
+    char name[50];
+
+    // Wait for a kepypress, store result in c
+    printf ("Please enter your name");
+
+    // read in using scanf with %s
+    scanf ("%s",name);
+
+    // Display on the screen using printf
+    printf ("Hello %s\n", name);
+
+    // Exit from main
+    return 0;
+}