/##  Filter noise out of System V-style lint output./d
/##  $Revision: 1.1.1.1 $/d
:top
/==============/ {
    n
    b top
}
/struct.union iovec never defined/ {
    n
    b eat
}
/name declared but never used or defined/ {
    n
    b eat
}
/name used but not defined/ {
    n
    b eat
}
/name defined but never used/ {
    n
    b eat
}
/possible pointer alignment problem/ {
    n
    b eat
}
/name multiply declared/ {
    n
    b eat
}
/implicitly declared to return int/ {
    n
    b eat
}
/function returns value which is always ignored/ {
    n
    b eat
}
/function returns value which is sometimes ignored/ {
    n
    b eat
}
/label without goto:/d
/bodyless if/d
/bodyless else/d
/./ {
    p
    n
    b top
}
:eat
/^    / {
    n
    b eat
}
/./ {
    b top
}