Initial commit of lecture code

LC7/scanf_examples.c

@@ -0,0 +1,36 @@
+/* Chapter 7 : Examples of using scanf */
+
+/* A program to show how to use scanf to read various types of values (float/integer)*/
+
+#include <stdlib.h>
+#include <stdio.h>
+
+
+int main( void )
+{
+
+  int v1;                       /* An integer */
+  float fv;                     /* A float */
+
+
+  /* Reading an integer */
+  printf("\nPlease enter an integer and press return ");
+  scanf("%d",&v1);
+  printf("\nThe value you entered was %d ",v1);
+
+  /* Reading a floating point number */
+  printf("\nPlease enter a floating point number & press return ");
+  scanf("%f",&fv);
+  printf("\nThe value you typed in was %f ",fv);
+
+
+  /* Reading all three in one go */
+  printf("\nPlease enter your age and salary\n");
+  scanf("%d %f", &v1, &fv);
+
+  printf("\nYou are %d years old ",v1);
+  printf("\nAnd earn %f per year ",fv);
+
+  return 0;     /* End of the program   */
+
+}