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conversion between string, char*, const char* Back
string
- to char*
string s = "abc";
/* new a char pointer and point to a char instance with the size */
char* c;
const int len = s.length();
c = new char[len + 1];
/* use strcpy to copy string to the char instance */
strcpy(c, s.c_str());
- to const char*
string s= "abc";
const char* c_s = s.c_str();
const char*
- to char*
char* c;
const char* c_s = "abc";
const int len = strlen(c_s) + 1;
strcpy(c, c_s);
- to string
const char* c_s = "abc";
string s(c_s);
char*
- to const char*
const char* c_s = "abc";
char* c = c_s
- to string
char* c = "abc";
string s(c);
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