Content-type: text/html Man page of isastream

isastream

Section: C Library Functions (3)
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NAME

isastream - Determines if a file descriptor refers to a STREAMS file  

LIBRARY

Standard C Library (libc.so, libc.a)  

SYNOPSIS

#include <stropts.h>

int isastream(        int fildes);
 

STANDARDS

Interfaces documented on this reference page conform to industry standards as follows:

isastream(): XPG4-UNIX

Refer to the standards(5) reference page for more information about industry standards and associated tags.  

PARAMETERS

Specifies a file descriptor of an open STREAMS file.  

DESCRIPTION

The isastream() function tests whether a file descriptor it encounters is actually a STREAMS file.  

RETURN VALUES

Upon successful completion, the isastream() function returns a value of 1 when the file descriptor of the open file specified by fildes is a STREAMS file, and it returns a value of 0 (zero) if it is not a STREAMS file. Otherwise, a value of -1 is returned, and errno is set to indicate the error.  

ERRORS

If any of the following conditions occur, the isastream() function sets errno to the corresponding value: The specified file descriptor does not refer to a valid open file.  

RELATED INFORMATION

Functions: fattach(3), fdetach(3)

Interfaces: streamio(7)

Standards: standards(5) delim off


 

Index

NAME
LIBRARY
SYNOPSIS
STANDARDS
PARAMETERS
DESCRIPTION
RETURN VALUES
ERRORS
RELATED INFORMATION

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Time: 02:41:07 GMT, October 02, 2010