pj_init(3) on Linux
The text 389fa216c919, as Debian 4.0 (Etch), Debian 3.1 (Sarge), Debian 3.0 (Woody) shipped it.
initialize cartographic projection pj_init_plus - initialize cartographic projection pj_fwd - forward cartographic projection pj_inv - inverse cartographic projection pj_transform - transform between coordinate systems pj_free - de-initialize projection