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Reading a parallel port ( for a printer )on AIX 4.0

Reading a parallel port ( for a printer )on AIX 4.0

(OP)
Hi everybody
I was wondering if it's possible to read a buffer associated to a parallel port on AIX 4.0. According to AIX documentation 'read' function is not implemented for parallel ports. I was thinking of using ioctl function (ioctl.h from /usr/include/sys/ioctl.h) but I couldn't find any structure to use for that purpose in lpio.h, the same directory.
Cheers

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