[root@localhost test]# make irqmiss2
cc     irqmiss2.c   -o irqmiss2
/usr/lib/gcc/i386-redhat-linux/3.4.2/../../../crt1.o(.text+0x18): In function `_start':
: undefined reference to `main'
collect2: ld returned 1 exit status
make: *** [irqmiss2] Error 1