| .\" Public Domain 1994 Rik Faith (faith@cs.unc.edu) |
| .\" " |
| .TH LPCNTL 8 "18 July 1994" "Linux 1.1" "Linux Programmer's Manual" |
| .SH NAME |
| lpcntl \- interface to line printer ioctl |
| .SH SYNOPSIS |
| .BI "lpcntl " device " [ " irq " ]" |
| .SH DESCRIPTION |
| .B lpcntl |
| is used to manipulate the line printer driver. |
| .PP |
| .I device |
| specifies a line printer device (e.g., |
| .IR /dev/lp1 ). |
| .PP |
| If |
| .I irq |
| is specified, then the line printer driver is set to use that IRQ. If the |
| .I irq |
| is zero, then the polling driver is selected. Only the super user may |
| change the IRQ. |
| .PP |
| If no |
| .I irq |
| is specified, then |
| .B lpcntl |
| will report the interrupt number currently in use, or will report that the |
| polling driver is currently being used. |
| .SH AUTHOR |
| Nigel Gamble (nigel@gate.net) |
