ttyslot(3C)            UNIX System V(C Development Set)             ttyslot(3C)


NAME
      ttyslot - find the slot in the utmp file of the current user

SYNOPSIS
      #include <stdlib.h>
      int ttyslot (void);

DESCRIPTION
      ttyslot returns the index of the current user's entry in the
      /var/adm/utmp file.  The returned index is accomplished by scanning files
      in /dev for the name of the terminal associated with the standard input,
      the standard output, or the standard error output (0, 1, or 2).

FILES
      /var/adm/utmp

SEE ALSO
      getut(3C), ttyname(3C)

DIAGNOSTICS
      A value of -1 is returned if an error was encountered while searching for
      the terminal name or if none of the above file descriptors are associated
      with a terminal device.































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