Originální popis anglicky:
isastream - test a file descriptor (
STREAMS)
Návod, kniha: POSIX Programmer's Manual
#include <stropts.h>
int isastream(int
fildes);
The
isastream() function shall test whether
fildes, an open file
descriptor, is associated with a STREAMS-based file.
Upon successful completion,
isastream() shall return 1 if
fildes
refers to a STREAMS-based file and 0 if not. Otherwise,
isastream()
shall return -1 and set
errno to indicate the error.
The
isastream() function shall fail if:
- EBADF
- The fildes argument is not a valid open file
descriptor.
The following sections are informative.
None.
None.
None.
None.
The Base Definitions volume of IEEE Std 1003.1-2001,
<stropts.h>
Portions of this text are reprinted and reproduced in electronic form from IEEE
Std 1003.1, 2003 Edition, Standard for Information Technology -- Portable
Operating System Interface (POSIX), The Open Group Base Specifications Issue
6, Copyright (C) 2001-2003 by the Institute of Electrical and Electronics
Engineers, Inc and The Open Group. In the event of any discrepancy between
this version and the original IEEE and The Open Group Standard, the original
IEEE and The Open Group Standard is the referee document. The original
Standard can be obtained online at http://www.opengroup.org/unix/online.html
.
