HelenOS sources

e1000_enable_interrupts 1259 uspace/drv/nic/e1k/e1k.c 	e1000_enable_interrupts(e1000);
e1000_enable_interrupts 1341 uspace/drv/nic/e1k/e1k.c 		e1000_enable_interrupts(e1000);
e1000_enable_interrupts 1350 uspace/drv/nic/e1k/e1k.c 		e1000_enable_interrupts(e1000);
e1000_enable_interrupts 1770 uspace/drv/nic/e1k/e1k.c 	e1000_enable_interrupts(e1000);
HelenOS homepage, sources at GitHub