split_hw_provname
if (split_hw_provname(provname, pname, pnum) == FAILURE) {
if (split_hw_provname(pent->name, pname, &inst_num) == FAILURE) {
if (split_hw_provname(provname, devname, &inst_num) == FAILURE) {
extern int split_hw_provname(char *, char *, int *);