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.TH "PCI_BUS_FIND_CAPABILITY" "" "06 October 2005" "" ""

.SH NAME
pci_bus_find_capability \- query for devices' capabilities
.SH SYNOPSIS
"SYNOPSIS"
.sp
\fB
.sp
int pci_bus_find_capability  (struct pci_bus * \fIbus\fB, unsigned int \fIdevfn\fB, int \fIcap\fB);
\fR
.SH "ARGUMENTS"
.TP
\fB\fIbus\fB\fR
-- undescribed --
.TP
\fB\fIdevfn\fB\fR
-- undescribed --
.TP
\fB\fIcap\fB\fR
capability code
.SH "DESCRIPTION"
.PP
Like \fBpci_find_capability\fR but works for pci devices that do not have a
pci_dev structure set up yet. 
Returns the address of the requested capability structure within the
device's PCI configuration space or 0 in case the device does not
support it.