Content-type: text/html Man page of isastream

isastream

Section: Standard C Library Functions (3C)
Updated: 24 Jul 2002
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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 TYPEATTRIBUTE VALUE
Interface StabilityStandard
MT-LevelMT-Safe

 

SEE ALSO

attributes(5), , standards(5), streamio(7I)

STREAMS Programming Guide

 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUES
ERRORS
ATTRIBUTES
SEE ALSO
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Time: 02:37:25 GMT, October 02, 2010