#include <libudev.h>
On success, udev_monitor_enable_receiving() and udev_monitor_set_receive_buffer_size() return an integer greater than, or equal to, 0. On failure, a negative error code is returned.
On success, udev_monitor_get_fd() returns the file descriptor used by this monitor. On failure, a negative error code is returned.
udev_monitor_get_udev() always returns a pointer to the udev context that this monitor is associated with.
udev_new(3), udev_device_new_from_syspath(3), udev_enumerate_new(3), udev_monitor_new_from_netlink(3), udev_monitor_filter_update(3), udev_list_entry(3), systemd(1),