POSIX_DEVICE_SPECIFIC

POSIX Device-Specific (general terminal) option group (placeholder). More...

Macros
#define	_POSIX_VDISABLE   ('\0')
	Value used to disable a special character in a terminal.

Functions
int	isatty (int fildes)
	Determine whether a file descriptor refers to a terminal.
char *	ttyname (int fildes)
	Get the name of the terminal associated with a file descriptor.

Detailed Description

POSIX Device-Specific (general terminal) option group (placeholder).

See also

https://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_subprofiles.html

Macro Definition Documentation

_POSIX_VDISABLE

#define _POSIX_VDISABLE   ('\0')

Value used to disable a special character in a terminal.

Definition at line 123 of file unistd.h.

Function Documentation

isatty()

int isatty

(

int

fildes

)

Determine whether a file descriptor refers to a terminal.

See also

https://pubs.opengroup.org/onlinepubs/9699919799/functions/isatty.html

ttyname()

char * ttyname

(

int

fildes

)

Get the name of the terminal associated with a file descriptor.

See also

https://pubs.opengroup.org/onlinepubs/9699919799/functions/ttyname.html