udev_list_entry

Index · Directives systemd 234

## Name

udev_list_entry, udev_list_entry_get_next, udev_list_entry_get_by_name, udev_list_entry_get_name, udev_list_entry_get_value — Iterate and access udev lists

## Synopsis

    #include <libudev.h>

`struct udev_list_entry *udev_list_entry_get_next(` | struct udev_list_entry *list_entry`)`;

`struct udev_list_entry *udev_list_entry_get_by_name(` | struct udev_list_entry *list_entry,
| const char *name`)`;

`const char *udev_list_entry_get_name(` | struct udev_list_entry *list_entry`)`;

`const char *udev_list_entry_get_value(` | struct udev_list_entry *list_entry`)`;

## Return Value

On success, `udev_list_entry_get_next()` and `udev_list_entry_get_by_name()` return a pointer to the requested list entry. If no such entry can be found, or on failure, `NULL` is returned.

On success, `udev_list_entry_get_name()` and `udev_list_entry_get_value()` return a pointer to a constant string representing the requested value. The string is bound to the lifetime of the list entry itself. On failure, `NULL` is returned.

## See Also

udev_new(3), udev_device_new_from_syspath(3), udev_enumerate_new(3), udev_monitor_new_from_netlink(3), systemd(1),