convert char* array to string array

[CornedBee]

You fill the provided array:

int charstararray2stringarray(int bufsize, string *buffer, int args, char * argv[])
{
  int count = min(args, bufsize);
  for (unsigned int i = 0; i < count; ++i)
  {
    buffer[i] = argv[i];
  }
  return count;
}

Some things:
a) in loops that traverse an array from start to end, it's always
for(loopvar = 0; loopvar < arlength, ++loopvar)
or loopvar++, doesn't really matter on a good compiler.
If you use loopvar <= arlength then there will be one iteration where loopvar == arlength. Since C/C++ arrays start indexing at 0, arlength is not a valid index anymore.

b) You don't do (string)"text" to convert a char array to string. This is the old C-style cast and not to be used. Instead you either explicitly call the contructor: string("text") or in this case take advantage of the fact that the = operator is overloaded to take char*:
string s = "text";
This avoid creating a temporary string object and is therefore faster.