gawk: let1.awk:9: warning: function `f0' called with more arguments than declared
1
f1 3
f2 3-8
b3 3-8
f5 1
f5 1 2
f5 1 2 3
b6 1
b6 1 2
b6 1 2 3
f6 1
f6 1 2
f6 1 2 3
b7 1
b7 1 2
b7 1 2 3