rem: int ppi_getops(int reg, unsigned long * get, unsigned long * set)
add: static int ppi_getops(int reg, unsigned long * get, unsigned long * set)
context: int ppi_getops(int reg, unsigned long * get, unsigned long * set){  switch (reg) {    case PPIDATA:      *set = PPISDATA;      *get = PPIGDATA;      break;    case PPICTRL:      *set = PPISCTRL;      *get = PPIGCTRL;      break;    case PPISTATUS:      *set = PPISSTATUS;      *get = PPIGSTATUS;      break;    default:      fprintf(stderr, "%s: avr_set(): invalid register=%d\n",              progname, reg);      return -1;      break;  }  return 0;}