ttyname() get path name of terminal	Function
	SYNOPSIS DESCRIPTION PARAMETERS RETURN VALUES CONFORMANCE MULTITHREAD SAFETY LEVEL PORTING ISSUES AVAILABILITY SEE ALSO

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SYNOPSIS

#include <unistd.h>

char *ttyname(int fildes);

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DESCRIPTION

The ttyname() function returns a pointer to a string that contains a null-terminated path name of the terminal associated with the file descriptor fildes. The return value of ttyname() may point to static data that is overwritten by each call.

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PARAMETERS

fildes 

Is the file descriptor that associates with the string containing the null-terminated path name of the terminal.

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RETURN VALUES

On success, ttyname() returns a pointer to a string. On error, a null pointer is returned, and errno is set to one of the following values:

EBADF 

fildes is not a valid file descriptor.

ENOTTY 

fildes does not refer to a terminate device.

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CONFORMANCE

UNIX 98.

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MULTITHREAD SAFETY LEVEL

Unsafe.

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PORTING ISSUES

ttyname() returns /dev/tty/nnn, where nnn is the process group ID.

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AVAILABILITY

PTC MKS Toolkit for Professional Developers
PTC MKS Toolkit for Professional Developers 64-Bit Edition
PTC MKS Toolkit for Enterprise Developers
PTC MKS Toolkit for Enterprise Developers 64-Bit Edition

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SEE ALSO

Functions:

ctermid(), isatty(), ttyname_r()

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PTC MKS Toolkit 10.5 Documentation Build 40.