
sfcreate will create a NeXT/bsd header with no sound

sfprint will print stats for a NeXT/bsd soundfile, but
not for a NeXT only soundfile, use sndinfo for that

sfextend will add empty space to the end of a soundfile

sfshrink will shrink the size of a soundfile

sfhedit will change the stats in the header of
a NeXT/bsd soundfile

there are cmix manual pages for all these commands
