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- stretch 4.9.168-1
| USB_FOR_EACH_DEV(9) | USB Core APIs | USB_FOR_EACH_DEV(9) |
NAME¶
usb_for_each_dev - iterate over all USB devices in the systemSYNOPSIS¶
int usb_for_each_dev(void * data, int (*fn) (struct usb_device *, void *));
ARGUMENTS¶
datadata pointer that will be handed to the callback
function
fn
callback function to be called for each USB device
DESCRIPTION¶
Iterate over all USB devices and call fn for each, passing it data. If it returns anything other than 0, we break the iteration prematurely and return that value.COPYRIGHT¶
| April 2019 | Kernel Hackers Manual 4.9. |