Obtain the message that resides in file
msgfile and whose
message ID is
msgnum is a number from 1 to
n is the number of messages in
gettxt searches for
msgfile in directory
is the language in which the message strings have been written.
The value of
locale is set by environment variable LC_MESSAGES,
or failing that, the LANG environment variable. If neither is set,
locale defaults to a directory named C. If gettxt fails,
default_message or (if none is specified) the string,
"Message not found!!"