Implementation of function charIsUp()

src/helperFunctions.c

@@ -137,3 +137,8 @@ double balanceToDouble(char *balanceAsString)
 	}
 	return sign * result / power;
 }
+bool charIsUp(char c)
+{
+	bool result = (c>='A'&&c<='Z') ? true : false;
+	return result;
+}

src/helperFunctions.h

@@ -13,4 +13,5 @@ unsigned int power(unsigned int, unsigned int);
 bool everyCharacterIsDigit(char *);
 bool isLetterOfAlphabet(char *);
 double balanceToDouble(char *);
+bool charIsUp(char );
 #endif