- pair<bool,bool> getBool(const char* name, const char* ns=NULL) const;
- pair<bool,const char*> getString(const char* name, const char* ns=NULL) const;
- pair<bool,const XMLCh*> getXMLString(const char* name, const char* ns=NULL) const;
- pair<bool,unsigned int> getUnsignedInt(const char* name, const char* ns=NULL) const;
- pair<bool,int> getInt(const char* name, const char* ns=NULL) const;
+ pair<bool,bool> getBool(const char* name, const char* ns=nullptr) const;
+ pair<bool,const char*> getString(const char* name, const char* ns=nullptr) const;
+ pair<bool,const XMLCh*> getXMLString(const char* name, const char* ns=nullptr) const;
+ pair<bool,unsigned int> getUnsignedInt(const char* name, const char* ns=nullptr) const;
+ pair<bool,int> getInt(const char* name, const char* ns=nullptr) const;