chkprinter
this = chkprinter(*pt, cpi, lpi, len, wid, cs);
chk = chkprinter(
this = chkprinter(*pt, cpi, lpi, length, width,
unsigned long chkprinter (char *, char *, char *, char *, char *, char *);
chkprinter (type, cpi, lpi, len, wid, cs)