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File Descriptor Table
Post 302148528 by porter on Sunday 2nd of December 2007 09:11:50 PM
12-02-2007
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LEARN ABOUT OPENSOLARIS
isastream
isastream(3C) Standard C Library Functions isastream(3C) NAME
isastream - test a file descriptor SYNOPSIS
#include <stropts.h> int isastream(int fildes); DESCRIPTION
The isastream() function determines if a file descriptor represents a STREAMS file. The fildes argument refers to an open file descriptor. RETURN VALUES
Upon successful completion, isastream() returns 1 if fildes represents a STREAMS file, and 0 if it does not. Otherwise, -1 is return and errno is set to indicate the error. ERRORS
The isastream() function will fail if: EBADF The fildes argument is not a valid file descriptor. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+ SEE ALSO
attributes(5), , standards(5), streamio(7I) STREAMS Programming Guide SunOS 5.11 24 Jul 2002 isastream(3C)