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UDEV_ENUMERATE_NEW
Section: udev_enumerate_new (3) Updated: Index
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NAME
udev_enumerate_new, udev_enumerate_ref, udev_enumerate_unref - Create, acquire and release a udev enumerate object
SYNOPSIS
#include <libudev.h>
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struct udev_enumerate *udev_enumerate_new(struct udev *udev);
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struct udev_enumerate *udev_enumerate_ref(struct udev_enumerate *udev_enumerate);
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struct udev_enumerate *udev_enumerate_unref(struct udev_enumerate *udev_enumerate);
DESCRIPTION
udev_enumerate_new()
creates an enumeration context to scan
/sys/.
udev_enumerate_ref()
takes a reference of an enumeration context.
udev_enumerate_unref()
drops a reference of an enumeration context. If the refcount reaches zero, all resources of the enumeration context will be released.
RETURN VALUE
On success,
udev_enumerate_new()
returns a pointer to the allocated enumeration object. On failure,
NULL
is returned.
udev_enumerate_ref()
returns the argument that it was passed, unmodified.
udev_enumerate_unref()
always returns
NULL.
HISTORY
udev_enumerate_new(),
udev_enumerate_ref(), and
udev_enumerate_unref()
were added in version 221.
SEE ALSO
udev_new(3), udev_device_new_from_syspath(3), udev_enumerate_add_match_subsystem(3), udev_enumerate_scan_devices(3), udev_monitor_new_from_netlink(3), udev_list_entry(3), systemd(1)
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
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- HISTORY
-
- SEE ALSO
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