/media/sandbox/xtools/avr-dev/build/avr/bin/avr-gcc -g -Wall -O2 -mmcu=atmega8    -c -o main.o main.c
main.c:468: warning: return type of 'main' is not `int'
main.c: In function `main':
main.c:476: warning: passing arg 1 of `fdevopen' from incompatible pointer type
main.c:476: error: too many arguments to function `fdevopen'
make: *** [main.o] Error 1