[SPCA] Continue summary

semester3/spca/code-examples/00_c/00_basics/01_func.c

@@ -0,0 +1,43 @@
+#include "01_func.h"
+#include <stdio.h>
+
+int get_user_input_int( char prompt[] ) {
+    int input_data;
+    printf( "%s", prompt );           // Always wrap strings like this for printf
+    scanf( "%d", &input_data );       // Get user input from CLI
+    int input_data_copy = input_data; // Value copied
+
+    // If statements just like any other language
+    if ( input_data )
+        printf( "Not 0" );
+    else
+        printf( "Input is zero" );
+
+    // Switch statements just like in any other language
+    switch ( input_data ) {
+        case 5:
+            printf( "You win!" );
+            break; // Doesn't fall through
+        case 6:
+            printf( "You were close" ); // Falls through
+        default:
+            printf( "No win" ); // Case for any not covered input
+    }
+
+    while ( input_data > 1 ) {
+        input_data -= 1;
+        printf( "Hello World\n" );
+    }
+
+    // Inversed while loop (executes at least once)
+    do {
+        input_data -= 1;
+        printf( "Bye World\n" );
+        if ( input_data_copy == 0 )
+            goto this_is_a_label;
+    } while ( input_data_copy > 1 );
+
+this_is_a_label:
+    printf( "Jumped to label" );
+    return 0;
+}