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The C Users' Group Library 1994 August
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wc-cdrom-cusersgrouplibrary-1994-08.iso
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v_01_01
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1n01048a
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1990-05-17
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52 lines
*****Listing 2*****
#include <stdio.h>
extern int output_location;
#define SCREEN 0
#define PORTRAIT 1
#define LANDSCAPE 2
/************************************************************
* init_printer() - initialize output device
*
* global
* output_location (in) - SCREEN, PORTRAIT,
* or LANDSCAPE
*
* Notes:
* 1. Compiled with Turbo C compiler version 2.0
* 2. This version does nothing if output is to the
* screen.
*
* History
* Original code William H. Roetzheim, 1990
**************************************************************/
void init_printer()
{
if (output_location != SCREEN)
{
/* reset the printer */
fprintf(stdprn, "\033E");
/* select proper orientation */
if (output_location == LANDSCAPE)
{
/* landscape */
fprintf(stdprn, "\033&l1O");
}
else fprintf(stdprn, "\033&l0O");
/* select 300 DPI resolution */
fprintf(stdprn, "\033*t300R");
/* select default font */
fprintf(stdprn,"\033(10U"); /* PC symbol set */
fprintf(stdprn,"\033(s16.66H"); /* 16.66 cpi */
fprintf(stdprn,"\033(s0T"); /* lineprinter */
}
}