systemd sd-hwdb 3 sd-hwdb Read-only access to the hardware description database #include <systemd/sd-hwdb.h> pkg-config --cflags --libs libsystemd sd-hwdb.h is part of libsystemd3 and allows read-only access the systemd database of hardware properties. See hwdb7 and systemd-hwdb8 for more information about the database. See sd_hwdb_new3 and sd_hwdb_get3 for information about the functions available. systemd1 systemd-udevd.service8