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Simtel MSDOS 1992 June
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SIMTEL_0692.cdr
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msdos
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desqview
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dvglue10.arc
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TVWNREAD.C
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1988-07-10
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/*================================================*/
/* TVWNREAD.C */
/* */
/* (c) Copyright 1988 Ralf Brown */
/* All Rights Reserved */
/* May be freely copied for noncommercial use as */
/* long as this copyright notice is kept intact */
/* and any changes are indicated in the comment */
/* blocks for the functions */
/*================================================*/
#include <stdio.h>
#include "tvapi.h"
/*================================================*/
/* TVwin_nread read next N chars from window */
/* Ralf Brown 4/3/88 */
/*================================================*/
int pascal TVwin_nread(OBJECT win,void *buffer,int n)
{
PARMLIST3 p ; /* returns width-of-screen/addr/count */
register int count ;
if (buffer == NULL)
return 0 ;
p.num_args = 1 ;
n-- ; /* reserve space for null to terminate string */
p.arg[0] = (DWORD) n ;
TVsendmsg(READ_MSG, win?TOS:ME, win, (PARMLIST *)&p) ;
count = (int) p.arg[0] ;
if (count > n)
count = n ;
while (count--)
*((char *)buffer)++ = *((char far *)p.arg[1])++ ;
*((char *)buffer) = '\0' ;
return (int) p.arg[0] ;
}
/* End of TVWNREAD.C */