/*-------------------------------------------------------------------
  xtriml(string,n)
  trims off n chars on left of string
  -------------------------------------------------------------------*/
char *xtriml(char *x, int xn){
  char *xret = "";
  int xlth;
  int nlth;
  int xsp;
  xlth = strlen(x);
  if(xn < 1)
    return(x);
  if(xn == xlth)
    return(xret);
  if(xn > xlth)
    return(xret);
  nlth = xlth - xn;
  xsp = xn + 1;
  xret = strgetsubstr(x,xsp,nlth);
  return(xret);
}//xtriml