systemd sd-path 3 sd-path APIs to query file system paths #include <systemd/sd-path.h> pkg-config --cflags --libs libsystemd sd-path.h is part of libsystemd3 and provides APIs to query file system paths. This functionality is similar to the command-line functionality provided by systemd-path1. See sd_path_lookup3 for information about the functions available. systemd1 systemd-path1 pkg-config1