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Kan man kontrollere printerporten fra perl i Freebsd, eller skal man gøre
det i c?

To present the value 0x5a to the data port, drive STROBE low and then
high again, the following code fragment can be used:

int fd;
u_int8_t val;

val = 0x5a;
ioctl(fd, PPISDATA, &val);
ioctl(fd, PPIGCTRL, &val);
val |= STROBE;
ioctl(fd, PPISCTRL, &val);
val &= ~STROBE;
ioctl(fd, PPISCTRL, &val);

Måske blot
ioctl FILEHANDLE,FUNCTION,SCALAR
?

Leif