HP 3000 Manuals

MPE/iX Developer's Kit Reference Manual Volume I

ctermid 

Identification of controlling terminal.

Syntax 

     #include <stdio.h>
     char *ctermid(char *s);

Parameters 

s          The address of an array that will receive the pathname fo the
           current controlling terminal.

Return Values 

If s is not NULL then it points to an array of char L_ctermid bytes long,
or longer, as defined in <stdio.h>.

An empty string is returned if the ctermid() function is unsuccessful.

Description 

The ctermid() function returns a string that can be used as a filename
for referencing a terminal.

If a pathname is returned, access is not guaranteed.

Implementation Considerations 

None.

Errors 

None.

See Also 

ttyname(), POSIX.1 (Section 4.7.2)

MPE/iX 5.0 Documentation