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termcap(3x)							   termcap(3x)

Name
       tgetent,	 tgetnum,  tgetflag, tgetstr, tgoto, tputs - terminal indepen‐
       dent operation routines

Syntax
       char PC;
       char *BC;
       char *UP;
       short ospeed;

       tgetent(bp, name)
       char *bp, *name;

       tgetnum(id)
       char *id;

       tgetflag(id)
       char *id;

       char *
       tgetstr(id, area)
       char *id, **area;

       char *
       tgoto(cm, destcol, destline)
       char *cm;

       tputs(cp, affcnt, outc)
       register char *cp;
       int affcnt;
       int (*outc)();

Description
       These functions extract and use capabilities from the terminal capabil‐
       ity  data  base	These  are  low level routines; see for a higher level
       package.

       The function extracts the entry for terminal name into  the  buffer  at
       bp.   The  bp  should  be  a  character buffer of size 1024 and must be
       retained through all subsequent calls to and The function returns -1 if
       it  cannot open the file, 0 if the terminal name given does not have an
       entry, and 1 if all goes well.  It will look in the environment	for  a
       TERMCAP variable.  If found, and the value does not begin with a slash,
       and the terminal type name is the same as the environment string	 TERM,
       the  TERMCAP string is used instead of reading the termcap file.	 If it
       does begin with a slash, the string is used as a pathname  rather  than
       This  can  speed	 up  entry  into programs that call as well as to help
       debug new terminal descriptions or to make one for your terminal if you
       cannot write the file

       The  function  gets the numeric value of capability id, returning -1 if
       is not given for the terminal.  The returns 1 if the specified capabil‐
       ity  is	present in the terminal's entry, 0 if it is not.  The function
       gets the string value of capability id, placing it  in  the  buffer  at
       area,  advancing	 the  area  pointer.  It decodes the abbreviations for
       this field described in except for cursor addressing and padding infor‐
       mation.

       The  function  returns a cursor addressing string decoded from cm to go
       to column destcol in line destline.  It uses the external variables  UP
       (from the up capability) and BC (if bc is given rather than bs) if nec‐
       essary to avoid placing \n, ^D or ^@ in the returned string.   Programs
       that  call should be sure to turn off the XTABS bit(s), because may now
       output a tab.  Note that programs using termcap should in general  turn
       off  XTABS anyway, because some terminals use control I for other func‐
       tions, such as nondestructive space.  If a % sequence is given that  is
       not understood, then returns “OOPS”.

       The  function decodes the leading padding information of the string cp;
       affcnt gives the number of lines affected by the	 operation,  or	 1  if
       this  is	 not  applicable,  outc	 is a routine that is called with each
       character in turn.  The external variable  ospeed  should  contain  the
       output  speed  of  the  terminal as encoded by The external variable PC
       should contain a pad character to be used (from the pc capability) if a
       null (^@) is inappropriate.

Files
       /usr/lib/libtermcap.a  -ltermcap library
       /etc/termcap	      data base

See Also
       ex(1), curses(3x), termcap(5)

								   termcap(3x)
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