Fossil

      CGIDEBUG(("env-match [%s] = [%s]\n", zName, zValue));
      return zValue;
    }
  }
  CGIDEBUG(("no-match [%s]\n", zName));
  return zDefault;
}

/*
** Return the value of the first defined query parameter or cookie whose
** name appears in the list of arguments.  Or if no parameter is found,
** return NULL.
*/
const char *cgi_coalesce(const char *zName, ...){
  va_list ap;
  const char *z;
  const char *zX;
  if( zName==0 ) return 0;
  z = cgi_parameter(zName, 0);
  va_start(ap, zName);
  while( z==0 && (zX = va_arg(ap,const char*))!=0 ){
    z = cgi_parameter(zX, 0);
  }
  va_end(ap);
  return z;
}

/*
** Return the value of a CGI parameter with leading and trailing
** spaces removed and with internal \r\n changed to just \n
*/
char *cgi_parameter_trimmed(const char *zName, const char *zDefault){
  const char *zIn;