printf input

Author: Ohjurot

01_SimpleCApp/SimpleCApp.c

@@ -2,12 +2,15 @@
 #include <stdint.h>
 
 int32_t f(int32_t x);
+int scan_x(int32_t* x);
 void print_fx(int32_t x, int32_t y);
 
 int main()
 {
-	// (I) Simulate input (TODO: Replace with proper input)
-	int32_t x = 5;
+	// (I) 
+	int32_t x = 0;
+	int result = scan_x(&x);
+	printf("Read %i parameters from user input. ", result);
 
 	// (P) 
 	int32_t y1 = f(1 * x);
@@ -27,6 +30,12 @@ int32_t f(int32_t x)
 	return x * x + 5 * x + 5;
 }
 
+int scan_x(int32_t* x)
+{
+	printf("Enter the value x: ");
+	return scanf_s("%i", x);
+}
+
 void print_fx(int32_t x, int32_t y)
 {
 	printf("f(%i) = %i, ", x, y);