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<HEAD>
<TITLE>curs_terminfo 3x</TITLE>
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<H1>curs_terminfo 3x</H1>
<HR>
<PRE>
<!-- Manpage converted by man2html 3.0.1 -->
<STRONG><A HREF="curs_terminfo.3x.html">curs_terminfo(3x)</A></STRONG>                                     <STRONG><A HREF="curs_terminfo.3x.html">curs_terminfo(3x)</A></STRONG>




</PRE>
<H2>NAME</H2><PRE>
       <STRONG>del_curterm</STRONG>, <STRONG>mvcur</STRONG>, <STRONG>putp</STRONG>, <STRONG>restartterm</STRONG>, <STRONG>set_curterm</STRONG>,
       <STRONG>setterm</STRONG>, <STRONG>setupterm</STRONG>, <STRONG>tigetflag</STRONG>, <STRONG>tigetnum</STRONG>, <STRONG>tigetstr</STRONG>, <STRONG>tiparm</STRONG>,
       <STRONG>tparm</STRONG>, <STRONG>tputs</STRONG>, <STRONG>vid_attr</STRONG>, <STRONG>vid_puts</STRONG>, <STRONG>vidattr</STRONG>, <STRONG>vidputs</STRONG> -
       <STRONG>curses</STRONG> interfaces to terminfo database


</PRE>
<H2>SYNOPSIS</H2><PRE>
       <STRONG>#include</STRONG> <STRONG>&lt;curses.h&gt;</STRONG>
       <STRONG>#include</STRONG> <STRONG>&lt;term.h&gt;</STRONG>

       <STRONG>int</STRONG> <STRONG>setupterm(char</STRONG> <STRONG>*</STRONG><EM>term</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>fildes</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <STRONG>*</STRONG><EM>errret</EM><STRONG>);</STRONG>
       <STRONG>int</STRONG> <STRONG>setterm(char</STRONG> <STRONG>*</STRONG><EM>term</EM><STRONG>);</STRONG>
       <STRONG>TERMINAL</STRONG> <STRONG>*set_curterm(TERMINAL</STRONG> <STRONG>*</STRONG><EM>nterm</EM><STRONG>);</STRONG>
       <STRONG>int</STRONG> <STRONG>del_curterm(TERMINAL</STRONG> <STRONG>*</STRONG><EM>oterm</EM><STRONG>);</STRONG>
       <STRONG>int</STRONG> <STRONG>restartterm(char</STRONG> <STRONG>*</STRONG><EM>term</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>fildes</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <STRONG>*</STRONG><EM>errret</EM><STRONG>);</STRONG>
       <STRONG>char</STRONG> <STRONG>*tparm(char</STRONG> <STRONG>*</STRONG><EM>str</EM><STRONG>,</STRONG> <STRONG>...);</STRONG>
       <STRONG>int</STRONG> <STRONG>tputs(const</STRONG> <STRONG>char</STRONG> <STRONG>*</STRONG><EM>str</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>affcnt</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <STRONG>(*</STRONG><EM>putc</EM><STRONG>)(int));</STRONG>
       <STRONG>int</STRONG> <STRONG>putp(const</STRONG> <STRONG>char</STRONG> <STRONG>*</STRONG><EM>str</EM><STRONG>);</STRONG>
       <STRONG>int</STRONG> <STRONG>vidputs(chtype</STRONG> <EM>attrs</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <STRONG>(*</STRONG><EM>putc</EM><STRONG>)(int));</STRONG>
       <STRONG>int</STRONG> <STRONG>vidattr(chtype</STRONG> <EM>attrs</EM><STRONG>);</STRONG>
       <STRONG>int</STRONG> <STRONG>vid_puts(attr_t</STRONG> <EM>attrs</EM><STRONG>,</STRONG> <STRONG>short</STRONG> <EM>pair</EM><STRONG>,</STRONG> <STRONG>void</STRONG> <STRONG>*</STRONG><EM>opts</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <STRONG>(*</STRONG><EM>putc</EM><STRONG>)(char));</STRONG>
       <STRONG>int</STRONG> <STRONG>vid_attr(attr_t</STRONG> <EM>attrs</EM><STRONG>,</STRONG> <STRONG>short</STRONG> <EM>pair</EM><STRONG>,</STRONG> <STRONG>void</STRONG> <STRONG>*</STRONG><EM>opts</EM><STRONG>);</STRONG>
       <STRONG>int</STRONG> <STRONG>mvcur(int</STRONG> <EM>oldrow</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>oldcol</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>newrow</EM>, int <EM>newcol</EM><STRONG>);</STRONG>
       <STRONG>int</STRONG> <STRONG>tigetflag(char</STRONG> <STRONG>*</STRONG><EM>capname</EM><STRONG>);</STRONG>
       <STRONG>int</STRONG> <STRONG>tigetnum(char</STRONG> <STRONG>*</STRONG><EM>capname</EM><STRONG>);</STRONG>
       <STRONG>char</STRONG> <STRONG>*tigetstr(char</STRONG> <STRONG>*</STRONG><EM>capname</EM><STRONG>);</STRONG>
       <STRONG>char</STRONG> <STRONG>*tiparm(const</STRONG> <STRONG>char</STRONG> <STRONG>*</STRONG><EM>str</EM><STRONG>,</STRONG> <STRONG>...);</STRONG>


</PRE>
<H2>DESCRIPTION</H2><PRE>
       These low-level routines must be called by  programs  that
       have to deal directly with the <STRONG>terminfo</STRONG> database to handle
       certain terminal capabilities, such as  programming  func-
       tion  keys.   For all other functionality, <STRONG>curses</STRONG> routines
       are more suitable and their use is recommended.

       Initially, <STRONG>setupterm</STRONG> should  be  called.   Note  that  <STRONG>se-</STRONG>
       <STRONG>tupterm</STRONG>  is  automatically  called by <STRONG>initscr</STRONG> and <STRONG>newterm</STRONG>.
       This  defines  the  set  of  terminal-dependent  variables
       [listed in <STRONG><A HREF="terminfo.5.html">terminfo(5)</A></STRONG>].  The <STRONG>terminfo</STRONG> variables <STRONG>lines</STRONG> and
       <STRONG>columns</STRONG> are initialized by <STRONG>setupterm</STRONG> as follows:

              If <STRONG>use_env(FALSE)</STRONG> has been called, values for <STRONG>lines</STRONG>
              and <STRONG>columns</STRONG> specified in <STRONG>terminfo</STRONG> are used.

              Otherwise,  if  the environment variables <STRONG>LINES</STRONG> and
              <STRONG>COLUMNS</STRONG> exist, their values are used.  If these en-
              vironment variables do not exist and the program is
              running in a window, the  current  window  size  is
              used.   Otherwise,  if the environment variables do
              not exist, the values for <STRONG>lines</STRONG> and <STRONG>columns</STRONG>  speci-
              fied in the <STRONG>terminfo</STRONG> database are used.

       The  header  files  <STRONG>curses.h</STRONG> and <STRONG>term.h</STRONG> should be included
       (in this order) to get the definitions for these  strings,
       numbers,  and  flags.   Parameterized  strings  should  be
       passed through <STRONG>tparm</STRONG> to instantiate  them.   All  <STRONG>terminfo</STRONG>
       strings  [including the output of <STRONG>tparm</STRONG>] should be printed
       with <STRONG>tputs</STRONG> or <STRONG>putp</STRONG>.  Call the <STRONG>reset_shell_mode</STRONG> to  restore
       the  tty modes before exiting [see <STRONG><A HREF="curs_kernel.3x.html">curs_kernel(3x)</A></STRONG>].  Pro-
       grams  which  use  cursor  addressing  should  output  <STRONG>en-</STRONG>
       <STRONG>ter_ca_mode</STRONG>  upon  startup  and should output <STRONG>exit_ca_mode</STRONG>
       before exiting.  Programs desiring  shell  escapes  should
       call

       <STRONG>reset_shell_mode</STRONG>  and output <STRONG>exit_ca_mode</STRONG> before the shell
       is called and should output  <STRONG>enter_ca_mode</STRONG>  and  call  <STRONG>re-</STRONG>
       <STRONG>set_prog_mode</STRONG> after returning from the shell.

       The <STRONG>setupterm</STRONG> routine reads in the <STRONG>terminfo</STRONG> database, ini-
       tializing the <STRONG>terminfo</STRONG> structures, but does not set up the
       output virtualization structures used by <STRONG>curses</STRONG>.  The ter-
       minal type is the character string <EM>term</EM>; if <EM>term</EM> is  null,
       the  environment  variable <STRONG>TERM</STRONG> is used.  All output is to
       file descriptor <STRONG>fildes</STRONG> which is  initialized  for  output.
       If  <EM>errret</EM>  is  not null, then <STRONG>setupterm</STRONG> returns <STRONG>OK</STRONG> or <STRONG>ERR</STRONG>
       and stores a status value in the integer pointed to by <EM>er-</EM>
       <EM>rret</EM>.   A  return value of <STRONG>OK</STRONG> combined with status of <STRONG>1</STRONG> in
       <EM>errret</EM> is normal.  If <STRONG>ERR</STRONG> is returned, examine <EM>errret</EM>:

              <STRONG>1</STRONG>    means that the terminal is hardcopy, cannot be
                   used for curses applications.

              <STRONG>0</STRONG>    means that the terminal could not be found, or
                   that it is a generic type, having  too  little
                   information for curses applications to run.

              <STRONG>-1</STRONG>   means  that the <STRONG>terminfo</STRONG> database could not be
                   found.

       If <EM>errret</EM> is null, <STRONG>setupterm</STRONG> prints an error message  upon
       finding an error and exits.  Thus, the simplest call is:

             <STRONG>setupterm((char</STRONG> <STRONG>*)0,</STRONG> <STRONG>1,</STRONG> <STRONG>(int</STRONG> <STRONG>*)0);</STRONG>,

       which  uses  all the defaults and sends the output to <STRONG>std-</STRONG>
       <STRONG>out</STRONG>.

       The <STRONG>setterm</STRONG> routine is being replaced by  <STRONG>setupterm</STRONG>.   The
       call:

             <STRONG>setupterm(</STRONG><EM>term</EM><STRONG>,</STRONG> <STRONG>1,</STRONG> <STRONG>(int</STRONG> <STRONG>*)0)</STRONG>

       provides  the  same  functionality  as <STRONG>setterm(</STRONG><EM>term</EM><STRONG>)</STRONG>.  The
       <STRONG>setterm</STRONG> routine is included here  for  BSD  compatibility,
       and is not recommended for new programs.

       The  <STRONG>set_curterm</STRONG>  routine  sets  the  variable <STRONG>cur_term</STRONG> to
       <EM>nterm</EM>, and makes all of the <STRONG>terminfo</STRONG> boolean, numeric, and
       string  variables  use  the values from <EM>nterm</EM>.  It returns
       the old value of <STRONG>cur_term</STRONG>.

       The <STRONG>del_curterm</STRONG> routine frees  the  space  pointed  to  by
       <EM>oterm</EM> and makes it available for further use.  If <EM>oterm</EM> is
       the same as <STRONG>cur_term</STRONG>, references to any  of  the  <STRONG>terminfo</STRONG>
       boolean,  numeric, and string variables thereafter may re-
       fer to invalid memory locations  until  another  <STRONG>setupterm</STRONG>
       has been called.

       The  <STRONG>restartterm</STRONG>  routine  is  similar  to  <STRONG>setupterm</STRONG>  and
       <STRONG>initscr</STRONG>, except that it is called after  restoring  memory
       to  a  previous  state (for example, when reloading a game
       saved as a core image dump).  It assumes that the  windows
       and the input and output options are the same as when mem-
       ory was saved, but the terminal type and baud rate may  be
       different.   Accordingly, it saves various tty state bits,
       calls <STRONG>setupterm</STRONG>, and then restores the bits.

       The <STRONG>tparm</STRONG> routine instantiates the string <EM>str</EM> with parame-
       ters  <EM>pi</EM>.  A pointer is returned to the result of <EM>str</EM> with
       the parameters applied.

       <STRONG>tiparm</STRONG> is a newer form  of  <STRONG>tparm</STRONG>  which  uses  <EM>&lt;stdarg.h&gt;</EM>
       rather  than  a fixed-parameter list.  Its numeric parame-
       ters are integers (int) rather than longs.

       The <STRONG>tputs</STRONG>  routine  applies  padding  information  to  the
       string  <EM>str</EM>  and  outputs  it.  The <EM>str</EM> must be a terminfo
       string variable or the return value from  <STRONG>tparm</STRONG>,  <STRONG>tgetstr</STRONG>,
       or <STRONG>tgoto</STRONG>.  <EM>affcnt</EM> is the number of lines affected, or 1 if
       not applicable.  <EM>putc</EM> is a <STRONG>putchar</STRONG>-like routine  to  which
       the characters are passed, one at a time.

       The  <STRONG>putp</STRONG> routine calls <STRONG>tputs(</STRONG><EM>str</EM><STRONG>,</STRONG> <STRONG>1,</STRONG> <STRONG>putchar)</STRONG>.  Note that
       the output of <STRONG>putp</STRONG> always  goes  to  <STRONG>stdout</STRONG>,  not  to  the
       <EM>fildes</EM> specified in <STRONG>setupterm</STRONG>.

       The <STRONG>vidputs</STRONG> routine displays the string on the terminal in
       the video attribute mode <EM>attrs</EM>, which is  any  combination
       of  the  attributes  listed in <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>.  The characters
       are passed to the <STRONG>putchar</STRONG>-like routine <EM>putc</EM>.

       The <STRONG>vidattr</STRONG> routine is like the  <STRONG>vidputs</STRONG>  routine,  except
       that it outputs through <STRONG>putchar</STRONG>.

       The  <STRONG>vid_attr</STRONG>  and <STRONG>vid_puts</STRONG> routines correspond to vidattr
       and vidputs, respectively.  They use a  set  of  arguments
       for  representing  the  video attributes plus color, i.e.,
       one of type attr_t for the attributes and one of short for
       the color_pair number.  The <STRONG>vid_attr</STRONG> and <STRONG>vid_puts</STRONG> routines
       are designed to use the attribute constants with  the  <EM>WA</EM><STRONG>_</STRONG>
       prefix.   The  opts  argument  is reserved for future use.
       Currently, applications must provide a  null  pointer  for
       that argument.

       The  <STRONG>mvcur</STRONG>  routine  provides low-level cursor motion.  It
       takes effect immediately (rather  than  at  the  next  re-
       fresh).

       The  <STRONG>tigetflag</STRONG>,  <STRONG>tigetnum</STRONG> and <STRONG>tigetstr</STRONG> routines return the
       value of the capability corresponding to the <STRONG>terminfo</STRONG> <EM>cap-</EM>
       <EM>name</EM> passed to them, such as <STRONG>xenl</STRONG>.

       The  <STRONG>tigetflag</STRONG>  routine returns the value <STRONG>-1</STRONG> if <EM>capname</EM> is
       not a boolean capability, or <STRONG>0</STRONG> if it is canceled or absent
       from the terminal description.

       The  <STRONG>tigetnum</STRONG>  routine  returns the value <STRONG>-2</STRONG> if <EM>capname</EM> is
       not a numeric capability, or <STRONG>-1</STRONG> if it is canceled  or  ab-
       sent from the terminal description.

       The  <STRONG>tigetstr</STRONG> routine returns the value <STRONG>(char</STRONG> <STRONG>*)-1</STRONG> if <EM>cap-</EM>
       <EM>name</EM> is not a string capability, or <STRONG>0</STRONG> if it is canceled or
       absent from the terminal description.

       The <EM>capname</EM> for each capability is given in the table col-
       umn entitled <EM>capname</EM> code in the capabilities  section  of
       <STRONG><A HREF="terminfo.5.html">terminfo(5)</A></STRONG>.

              <STRONG>char</STRONG> <STRONG>*boolnames[]</STRONG>, <STRONG>*boolcodes[]</STRONG>, <STRONG>*boolfnames[]</STRONG>

              <STRONG>char</STRONG> <STRONG>*numnames[]</STRONG>, <STRONG>*numcodes[]</STRONG>, <STRONG>*numfnames[]</STRONG>

              <STRONG>char</STRONG> <STRONG>*strnames[]</STRONG>, <STRONG>*strcodes[]</STRONG>, <STRONG>*strfnames[]</STRONG>

       These  null-terminated  arrays  contain  the <EM>capnames</EM>, the
       <STRONG>termcap</STRONG> codes, and the full C names, for each of the  <STRONG>ter-</STRONG>
       <STRONG>minfo</STRONG> variables.


</PRE>
<H2>RETURN VALUE</H2><PRE>
       Routines  that  return  an integer return <STRONG>ERR</STRONG> upon failure
       and <STRONG>OK</STRONG> (SVr4 only specifies "an integer value  other  than
       <STRONG>ERR</STRONG>")  upon  successful completion, unless otherwise noted
       in the preceding routine descriptions.

       Routines that return pointers always return <STRONG>NULL</STRONG> on error.

       X/Open defines no error conditions.  In  this  implementa-
       tion

              <STRONG>del_curterm</STRONG>
                   returns  an error if its terminal parameter is
                   null.

              <STRONG>putp</STRONG> calls <STRONG>tputs</STRONG>, returning the same error-codes.

              <STRONG>restartterm</STRONG>
                   returns an error if the associated call to <STRONG>se-</STRONG>
                   <STRONG>tupterm</STRONG> returns an error.

              <STRONG>setupterm</STRONG>
                   returns  an error if it cannot allocate enough
                   memory, or create the initial windows (stdscr,
                   curscr,  newscr).   Other error conditions are
                   documented above.

              <STRONG>tputs</STRONG>
                   returns an error if the  string  parameter  is
                   null.   It  does not detect I/O errors: X/Open
                   states that <STRONG>tputs</STRONG> ignores the return value  of
                   the output function <EM>putc</EM>.


</PRE>
<H2>NOTES</H2><PRE>
       The  <STRONG>setupterm</STRONG> routine should be used in place of <STRONG>setterm</STRONG>.
       It may be useful when you want to test for terminal  capa-
       bilities  without  committing to the allocation of storage
       involved in <STRONG>initscr</STRONG>.

       Note that <STRONG>vidattr</STRONG> and <STRONG>vidputs</STRONG> may be macros.


</PRE>
<H2>PORTABILITY</H2><PRE>
       The function <STRONG>setterm</STRONG> is not described by X/Open  and  must
       be  considered  non-portable.   All other functions are as
       described by X/Open.

       <STRONG>setupterm</STRONG> copies the terminal name to the  array  <STRONG>ttytype</STRONG>.
       This  is not part of X/Open Curses, but is assumed by some
       applications.

       In System V Release 4, <STRONG>set_curterm</STRONG> has an <STRONG>int</STRONG> return  type
       and  returns  <STRONG>OK</STRONG>  or <STRONG>ERR</STRONG>.  We have chosen to implement the
       X/Open Curses semantics.

       In System V Release 4, the third argument of <STRONG>tputs</STRONG> has the
       type <STRONG>int</STRONG> <STRONG>(*putc)(char)</STRONG>.

       At least one implementation of X/Open Curses (Solaris) re-
       turns a value other than OK/ERR from <STRONG>tputs</STRONG>.  That  returns
       the length of the string, and does no error-checking.

       X/Open  Curses prototypes <STRONG>tparm</STRONG> with a fixed number of pa-
       rameters, rather than a variable argument list.  This  im-
       plementation  uses  a  variable  argument list, but can be
       configured to use the fixed-parameter list.  Portable  ap-
       plications  should  provide 9 parameters after the format;
       zeroes are fine for this purpose.

       In response to comments by Thomas E. Dickey, X/Open Curses
       Issue 7 proposed the <STRONG>tiparam</STRONG> function in mid-2009.

       X/Open  notes  that  after calling <STRONG>mvcur</STRONG>, the curses state
       may not match the actual terminal state, and that  an  ap-
       plication  should  touch and refresh the window before re-
       suming normal curses calls.  Both ncurses and System V Re-
       lease 4 curses implement <STRONG>mvcur</STRONG> using the SCREEN data allo-
       cated in either <STRONG>initscr</STRONG> or <STRONG>newterm</STRONG>.  So though it is docu-
       mented  as  a  terminfo function, <STRONG>mvcur</STRONG> is really a curses
       function which is not well specified.

       X/Open states that the old  location  must  be  given  for
       <STRONG>mvcur</STRONG>.   This implementation allows the caller to use -1's
       for the old ordinates.  In that case, the old location  is
       unknown.

       Extended  terminal  capability  names, e.g., as defined by
       <STRONG>tic</STRONG> <STRONG>-x</STRONG>, are not stored in the  arrays  described  in  this
       section.


</PRE>
<H2>SEE ALSO</H2><PRE>
       <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>,  <STRONG><A HREF="curs_initscr.3x.html">curs_initscr(3x)</A></STRONG>, <STRONG><A HREF="curs_kernel.3x.html">curs_kernel(3x)</A></STRONG>, <STRONG>curs_term-</STRONG>
       <STRONG><A HREF="curs_termcap.3x.html">cap(3x)</A></STRONG>, <STRONG><A HREF="curs_variables.3x.html">curs_variables(3x)</A></STRONG>, <STRONG><A HREF="term_variables.3x.html">term_variables(3x)</A></STRONG>,  <STRONG><A HREF="putc.3.html">putc(3)</A></STRONG>,
       <STRONG><A HREF="terminfo.5.html">terminfo(5)</A></STRONG>



                                                      <STRONG><A HREF="curs_terminfo.3x.html">curs_terminfo(3x)</A></STRONG>
</PRE>
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