How do I tell if STDIN is a PIPE?

[Kartik Subbarao]

In article <1991May28.172456.1585 at holos0.uucp> lbr at holos0.uucp (Len Reed) writes:
>In article <1991May26.172328.713 at arizona.edu> jjr at ace.ece.arizona.edu (Jeffrey J. Rodriguez) writes:
>>How do I tell whether stdin is coming from a pipe?
>
>Use isapipe(0).

On which wonderful OS is this system call supported?


		-Kartik


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