sd-hwdb — Read-only access to the hardware description database
#include <systemd/sd-hwdb.h>
pkg-config --cflags --libs libsystemd 
sd-hwdb.h allows read-only access the systemd database of hardware properties.
    See hwdb(7) and
    systemd-hwdb(8) for more
    information about the database.
See sd_hwdb_new(3) and sd_hwdb_get(3) for 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.