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