string a="hello world";
const char* ch=a.c_str();
1.
string s="aaaaaaaaa";
char *p=new char[s.size()+1];
strcpy(p,s.c_str());
2.
string str = "abcdefg";
char sz[20];
for (int i = 0; i < str.size() + 1; i++)
{
sz[i] = str[i];
}
3.
string a="hello world";
const char* ch=a.c_str();
string s="aaaaaaaaa";
char *p=new char[s.size()+1];
strcpy(p,s.c_str());
2.
string str = "abcdefg";
char sz[20];
for (int i = 0; i < str.size() + 1; i++)
{
sz[i] = str[i];
}