pci_bus_max_busnr
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## Name

pci_bus_max_busnr — returns maximum PCI bus number of given bus' children

## Synopsis

`unsigned char pci_bus_max_busnr (` | struct pci_bus * bus`)`;

## Arguments

`bus`

  pointer to PCI bus structure to search

## Description

Given a PCI bus, returns the highest PCI bus number present in the set including the given PCI bus and its list of child PCI buses.

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