std::string & TrimL(std::string & val);
std::string & TrimR(std::string & val);
std::string & Trim(std::string & val);
+std::string Trim(const std::string & val);
std::string ToLower(const std::string & value);
std::string ToUpper(const std::string & value);
//-----------------------------------------------------------------------------
int str2x(const std::string & str, int32_t & x);
int str2x(const std::string & str, uint32_t & x);
+inline
+int str2x(const std::string & str, double & x) { return strtodouble2(str.c_str(), x); }
#ifndef WIN32
int str2x(const std::string & str, int64_t & x);
int str2x(const std::string & str, uint64_t & x);