Red Hat

//declaration
int operator==(char *ch)
//definition
int String::operator==(char *ch)
{
        if (strcmp(_text, ch) == 0)
        {
                return TRUE;
        }
        else
        {
                return FALSE;
        }
}

String.h:67: note: candidate 1: int String::operator==(char*)
Sample.c:230: note: candidate 2: operator==(const char*, const char*) <built-in>
Sample.c:249: error: ISO C++ says that these are ambiguous, even though the worst conversion for the first is better than the worst conversion for the second:

230  if (String(StrInputBuffer.part_string(4)) == ":86:")
     {
       //statement
     }
249  else if (String(StrInputBuffer.part_string(1)) == ":")
     {
     }

>g++ -c -g Sample.c -o sample 

RWBoolean
operator==(const RWCString&, const char*     );
RWBoolean
operator==(const char*,      const RWCString&);
RWBoolean
operator==(const RWCString&, const RWCString&);