Provided by:
kernel-doc-2.4.27_2.4.27-12_all 
NAME
pci_find_class - begin or continue searching for a PCI device by class
SYNOPSIS
struct pci_dev * pci_find_class (unsigned int class, const struct
pci_dev *from);
ARGUMENTS
class search for a PCI device with this class designation
from Previous PCI device found in search, or NULL for new
search.
DESCRIPTION
Iterates through the list of known PCI devices. If a PCI device is
found with a matching class, a pointer to its device structure is
returned. Otherwise, NULL is returned. A new search is initiated by
passing NULL to the from argument. Otherwise if from is not NULL,
searches continue from next device on the global list.