Provided by:
linux-doc-2.6.15_2.6.15-23.39_all 
NAME
dev_get_by_flags - find any device with given flags
SYNOPSIS
struct net_device * dev_get_by_flags (unsigned short if_flags,
unsigned short mask);
ARGUMENTS
if_flags
IFF_* values
mask bitmask of bits in if_flags to check
DESCRIPTION
Search for any interface with the given flags. Returns NULL if a device
is not found or a pointer to the device. The device returned has had a
reference added and the pointer is safe until the user calls dev_put to
indicate they have finished with it.