Converting String to Cstring in C

Question

I have a string to convert  string    apple  and want to put that into a C string of this style  char  c  that holds  a  p  p  l  e    0    Which predefined method should I be using

User · Accepted Answer

c str   returns a const char   If you need a mutable version  you will need to produce a copy yourself

User · Answer

vector lt char gt  toVector  const std  string amp  s       string s    apple       vector lt char gt  v s size   1     memcpy   amp v front    s c str    s size     1      return v    vector lt char gt  v   toVector std  string  apple         what you were looking for  mutable  char  c   v data       c str   works for immutable   The vector will manage the memory for you

User · Answer

string name  char  c string   getline cin  name    c string   new char name length      for  int index   0  index  lt  name length    index         c string index    name index     c string name length        0    add the null terminator at the end of                                  the char array   I know this is not the predefined method but thought it may be useful to someone nevertheless

[c++] Converting String to Cstring in C++

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