18 lines
351 B
C
18 lines
351 B
C
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/*
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* isatty - check if a file descriptor is associated with a terminal
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*/
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/* $Header$ */
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int gtty(int d, char *buf);
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int isatty(int d)
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{
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char buf[128];
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/* not a sgttyb struct; it might not be large enough;
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I know for a fact that it isn't large enough on PC/IX,
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where gtty is an ioctl(..., TCGETA, ...)
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*/
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return gtty(d, buf) >= 0;
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}
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