HelenOS sources

pc_lpt_dev_add     45 uspace/drv/char/pc-lpt/main.c static errno_t pc_lpt_dev_add(ddf_dev_t *dev);
pc_lpt_dev_add     52 uspace/drv/char/pc-lpt/main.c 	.dev_add = pc_lpt_dev_add,
HelenOS homepage, sources at GitHub