EMILE/libmacos/SerGetBuf.c
2006-09-15 14:55:39 +00:00

26 lines
399 B
C

/*
*
* (c) 2004,2005 Laurent Vivier <Laurent@lvivier.info>
*
*/
#include <macos/devices.h>
#include <macos/serial.h>
OSErr SerGetBuf(short refNum, long *count)
{
int res;
CntrlParam param;
param.ioCompletion = 0;
param.ioVRefNum = 0;
param.ioCRefNum = refNum;
param.csCode = kSERDInputCount;
res = PBStatusSync((ParmBlkPtr)&param);
*count = *(long*)&param.csParam;
return res;
}