Symbol: pci_conf_find_extcap
sys/dev/pci/pci_subr.c
4674
if (pci_conf_find_extcap(regs, i, &off) == 0)
sys/dev/pci/pci_subr.c
83
static int pci_conf_find_extcap(const pcireg_t *, unsigned int, int *);