sd-device - API for enumerating and introspecting local devices
pkg-config --cflags --libs libsystemd
sd-device.h provides an API to introspect and enumerate devices on the local system. It provides a programmatic interface to the database of devices and their properties mananaged by systemd-udevd.service(8). This API is a replacement for libudev(3) and libudev.h.
for more information about the functions available.
These APIs are implemented as a shared library, which can be compiled and linked to with the libsystemd pkg-config(1) file.