MSGC(1)                 NetBSD General Commands Manual                 MSGC(1)

NAME
     msgc, msg_window, msg_string, msg_clear, msg_standout, msg_standend,
     msg_display, msg_display_add, msg_prompt, msg_prompt_add, msg_prompt_win,
     msg_prompt_noecho, msg_row, msg_table_add -- simple message list compiler

SYNOPSIS
     msgc [-o name] file

     #include "msg_defs.h"

     void
     msg_window(WINDOW *window);

     const char *
     msg_string(msg msg_no);

     void
     msg_clear(void);

     void
     msg_standout(void);

     void
     msg_standend(void);

     void
     msg_display(msg msg_no, ...);

     void
     msg_display_add(msg msg_no, ...);

     void
     msg_prompt(msg msg_no, const char *def, char *val, int max_chars, ...);

     void
     msg_prompt_add(msg msg_no, const char *def, char *val, int max_chars,
         ...);

     void
     msg_prompt_win(msg msg_no, WINDOW *win, const char *def, char *val,
         int max_chars, ...);

     void
     msg_prompt_noecho(msg msg_no, const char *def, char *val, int max_chars,
         ...);

     int
     msg_row(void);

     void
     msg_table_add(msg msg_no, ...);

DESCRIPTION
     This implements a curses based message display system.  A source file
     that lists messages with associated names is given to msgc and produces
     both a .c and a .h file that implement the menu system.  The standard
     root name of the files is msg_defs.  The -o name can be used to specify a
     different root name.

ENVIRONMENT
     MSGDEF  Can be set to point to a different set of definition files for
             msgc.  The current location defaults to /usr/share/misc.

FILES
     /usr/share/misc/msg_sys.def

SOURCE DESCRIPTION
     The format is very simple.  Each message is started with the word
     `message' followed by the name of the message.  The body of the message
     is next and is started by a { and closed by a }.  The braces are not part
     of the message.  Everything, including newlines between the braces are
     part of the message.

MESSAGE FUNCTIONS
     The defined messages are used through calls routines that manipulate the
     messages.  You first need to set the curses(3) environment up and then
     tell the message system which window to use for displaying message by
     calling the function msg_window().

     All variable argument lists in the functions are used as are arguments to
     sprintf(3).  The messages may have sprintf(3) conversions in them and the
     corresponding parameters should match.  Messages are identified by name
     using the notation `MENU_name' where ``name'' is the name in the message
     source file.  (The definitions are accessed by including the generated .h
     file into a source file wanting to use the message routines.)

     The function msg_string() just returns a pointer to the actual message
     string.  The functions msg_clear(), msg_standout() and msg_standend()
     respectively clear the message window, set standout mode and clear stand-
     out mode.

     The functions msg_display() and msg_display_add() cause a defined message
     to be displayed in the message window and does the requested conversions
     before printing.  The difference is that msg_display() clears the window
     before displaying the message.  These functions fill paragraphs for read-
     ability.  The msg_table_add() function behaves like msg_display_add() but
     does not fill text.

     The remaining functions deal with a prompt facility.  A prompt message is
     either taken from the message directory or from a given string.  The mes-
     sage is processed with sprintf(3) and then displayed.  If the parameter
     def is non-NULL and not a string of zero length, a default value is
     printed in brackets.  The user is allowed to type in a response.  If the
     user types just the newline character, the default is returned in the
     value.  The parameter max_chars is the length of the parameter val, where
     the results are stored.  The parameters def and val may point to the same
     character array.  If the default is chosen, the character array is not
     changed.  The functions msg_echo() and msg_noecho() control whether the
     prompt routine echo or don't echo the input that is typed by the user.

     msg_prompt_win() uses the specified curses window instead of the default
     one.

     msg_row() return the current row - i.e.: getcury(msg_win) + getb-
     egy(msg_win).

AUTHORS
     Philip A. Nelson for Piermont Information Systems Inc.

NetBSD 5.0_STABLE             September 25, 2003             NetBSD 5.0_STABLE
