Add extract char operator to istream

include/opp/iostream.cpp

@@ -952,6 +952,13 @@ istream & istream::operator>>(float & val)
 	return *this;
 }
 
+istream & istream::operator>>(char & val)
+{
+	doskipws();
+	val = get();
+	return *this;
+}
+
 istream & istream::operator>>(char * p)
 {
 	doskipws();

include/opp/iostream.h

@@ -124,6 +124,7 @@ public:
 	istream & putback(char c);
 	istream & unget(void);
 
+	istream & operator>>(char & val);
 	istream & operator>>(bool & val);
 	istream & operator>>(int & val);
 	istream & operator>>(unsigned & val);