#ifndef LSTRINGS_H
#define LSTRINGS_H
+#ifdef __GNUG__
+#pragma interface
+#endif
+
#include <cstring>
#include <cctype>
///
double strToDbl(string const & str);
+///
+char lowercase(char c);
+
+///
+char uppercase(char c);
+
///
string lowercase(string const &);