Update CaplockString.c

Stdio/CaplockString.c

@@ -10,3 +10,16 @@ PWCHAR CaplockString(PWCHAR Ptr)
 	}
 	return Ptr;
 }
+
+PCHAR CaplockString(PCHAR Ptr)
+{
+	PCHAR sv = Ptr;
+	while (*sv != '\0')
+	{
+		if (*sv >= 'a' && *sv <= 'z')
+			*sv = *sv - ('a' - 'A');
+
+		sv++;
+	}
+	return Ptr;
+}