# -Wexpensive warns about implicit negation -----------------------------------
tcc -Wexpensive 2>&1 >/dev/null
prio {
    class if raw[0];
}
EOF
warning: negation is an "expensive" operation
warning: negation is an "expensive" operation
# tcc accepts one file name ---------------------------------------------------
tcc /dev/null
EOF
# tcc does not accept more than one file name ---------------------------------
tcc /dev/null foo 2>&1 | sed '/^\\(usage:\\).*/s//\\1/p;d'
EOF
usage:
# tcsim accepts one file name -------------------------------------------------
tcsim /dev/null
EOF
# tcsim does not accept more than one file name -------------------------------
tcsim /dev/null foo 2>&1 | sed '/^\\(usage:\\).*/s//\\1/p;d'
EOF
usage:
# prio now supports policing --------------------------------------------------
tcc >/dev/null
prio {
    class on fw element (1) police(burst 1kB,rate 1kbps);
}
EOF
