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
#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 ); | 
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.
udev_list_entry_get_next(),
    udev_list_entry_get_by_name(),
    udev_list_entry_get_name(), and
    udev_list_entry_get_value() were added in version 221.