ptsname_r()
QNX SDP8.0C Library ReferenceAPIDeveloper
Get the name of a slave pseudo-terminal device
Synopsis:
#include <stdlib.h>
int ptsname_r( int filedes,
                 char *buffer,
                 size_t buflen );
Arguments:
- filedes
 - The file descriptor for the master pseudo-terminal.
 - buffer
 - A pointer to a buffer where the function can store the name.
 - buflen
 - The length of the buffer, in bytes.
 
Library:
libc
Use the -l c option to qcc to link against this library. This library is usually included automatically.
Description:
The ptsname_r() function gets the name of the slave pseudo-terminal device associated with a master pseudo-terminal device. It's a reentrant version of ptsname().
Returns:
- 0
 - Success.
 - -1
 - An error occurred (errno is set).
 
Errors:
- EBADF
 - The filedes argument isn't a valid file descriptor.
 - ENOTTY
 - The file associated with the filedes argument isn't a master pseudo-terminal device.
 - EOVERFLOW
 - The buffer is too small to hold the name.
 
Classification:
| Safety: | |
|---|---|
| Cancellation point | No | 
| Signal handler | Yes | 
| Thread | Yes | 
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