HelenOS sources

e1000_enable_interrupts 1261 uspace/drv/nic/e1k/e1k.c 	e1000_enable_interrupts(e1000);
e1000_enable_interrupts 1343 uspace/drv/nic/e1k/e1k.c 		e1000_enable_interrupts(e1000);
e1000_enable_interrupts 1352 uspace/drv/nic/e1k/e1k.c 		e1000_enable_interrupts(e1000);
e1000_enable_interrupts 1772 uspace/drv/nic/e1k/e1k.c 	e1000_enable_interrupts(e1000);
HelenOS homepage, sources at GitHub