[C++]std::string 를 const char* or char* 로 변환하기

[C++]Convert std::string to const char* or char*

출처 : http://stackoverflow.com/questions/347949/convert-stdstring-to-const-char-or-char

작성날짜 : 2013-07-01

std::string 형을 const char* 형으로 변환

std::string str;
const char * c = str.c_str();

std::string 형을 char* 형으로 변환

std::string str;
char * writable = new char[str.size() + 1];
std::copy(str.begin(), str.end(), writable);
writable[str.size()] = '\0'; // don't forget the terminating 0

// don't forget to free the string after finished using it
delete[] writable;