// -----------------------------
//  string.cpp
// -----------------------------
 #include "w.h"

/*
	WARNING Strings are considered to be poorly supported
	by C++, but they do allow some non-typical manipulations,
	which won't work on other types of array.
	For example:  char *s = "Hello".
*/


void main()
{
  nl(0);
  banner("string.cpp");
  char c[80] = "string array";
  p("c = ");pl(c);
  // c = "new string array";     // WRONG ! '=' can't do that
  strcpy(c, "new string array"); // OK
  p("c = "); pl(c);
  char *s = "string"; // memory on the stack
  p("s = "); pl(s);
  s = "new string";
  p("s = ");pl(s);
  // char strings are null-terminated arrays
  char b[] = {'B','e','e','t','h','o','v','e','n','\0'};
  p("b = "); pl(b); // b accepted as char* by pl
  nl();
  
  // char *sc; // dangerous !  sc should point somewhere
  char *sc = new char[80]; // memory on the heap
  strcpy(sc,s); // strcpy is from <string.h>
  p("sc = "); pl(sc);
  delete [] sc;   // return the memory

  char c2[80];
  strcpy(c2,s);
  p("c2 = "); pl(c2);

  strcat(s," for your eyes only");
  p("s = "); pl(s); }
  /* output ----------------------------------
   ------------
    string.cpp
   ------------
   c = string array
   c = new string array
   s = string
   s = new string
   b = Beethoven

   sc = new string
   c2 = new string
   s = new string for your eyes only


 */