HelenOS sources

irc_clear_interrupt  160 uspace/drv/bus/isa/isa.c 	return irc_clear_interrupt(irq);
irc_clear_interrupt  142 uspace/drv/bus/pci/pciintel/pci.c 	return irc_clear_interrupt(irq);
irc_clear_interrupt  206 uspace/drv/platform/icp/icp.c 	return irc_clear_interrupt(irq);
irc_clear_interrupt   40 uspace/lib/device/include/irc.h extern errno_t irc_clear_interrupt(int);