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      int request_irq(unsigned int irq,
                            irqreturn_t (*handler)(int, void *, struct pt_regs *),
                            unsigned long irqflags,
                            const char * devname,
                            void * dev_id);
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#!/bin/bash
while getopts "ab:cd:" Option
# b and d take arguments
#
do
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c) echo -e "c = $OPTIND";;
d) echo -e "d = $OPTIND $OPTARG";;
esac
done
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