Add getSingleChar.

02/alphabet.c

@@ -23,18 +23,19 @@
 #include <stdio.h>
 #include <ctype.h>
 
+unsigned char getSingleChar();
+
 
 int main()
 {
     unsigned char character = 'a';
 
-    printf("Eingabe: ");
-
     while(character != '\n')
     {
         unsigned char lowerChar;
 
-        character = getchar();
+        printf("Eingabe einzelnes Zeichen: ");
+        character = getSingleChar();
 
         lowerChar = tolower(character);
 
@@ -46,4 +47,14 @@ int main()
     }
 
     return 0;
+}
+
+unsigned char getSingleChar()
+{
+    unsigned char result = 'a';
+
+    result = getchar();
+    while(result != '\n' && getchar() != '\n') {}
+
+    return result;
 }