curs_printw 3x

curs_printw(3x)                                         curs_printw(3x)


       printw, wprintw, mvprintw, mvwprintw, vwprintw, vw_printw
       - print formatted output in curses windows


       #include <curses.h>

       int printw(const char *fmt, ...);
       int wprintw(WINDOW *win, const char *fmt, ...);
       int mvprintw(int y, int x, const char *fmt, ...);
       int mvwprintw(WINDOW *win, int y, int x, const char  *fmt,
       int  vwprintw(WINDOW  *win,  const char *fmt, va_list var-
       int vw_printw(WINDOW *win, const char *fmt,  va_list  var-


       The  printw,  wprintw, mvprintw and mvwprintw routines are
       analogous to  printf  [see  printf(3)].   In  effect,  the
       string that would be output by printf is output instead as
       though waddstr were used on the given window.

       The vwprintw  and  wv_printw  routines  are  analogous  to
       vprintf  [see  printf(3)]  and  perform  a wprintw using a
       variable argument list.  The third argument is a  va_list,
       a   pointer   to  a  list  of  arguments,  as  defined  in


       Routines that return an integer return  ERR  upon  failure
       and  OK  (SVr4 only specifies "an integer value other than
       ERR") upon successful completion.

       X/Open defines no error conditions.  In  this  implementa-
       tion,  an  error  may  be  returned  if it cannot allocate
       enough memory for the buffer used to format  the  results.
       It will return an error if the window pointer is null.

       Functions  with a "mv" prefix first perform a cursor move-
       ment using wmove, and return an error if the  position  is
       outside the window, or if the window pointer is null.


       The  XSI  Curses  standard,  Issue 4 describes these func-
       tions.  The function vwprintw is marked TO  BE  WITHDRAWN,
       and  is  to  be replaced by a function vw_printw using the
       <stdarg.h> interface.  The Single Unix Specification, Ver-
       sion  2  states  that  vw_printw  is preferred to vwprintw
       since the latter  requires  including  <varargs.h>,  which
       cannot  be  used in the same file as <stdarg.h>.  This im-
       plementation uses <stdarg.h> for both, because that header
       is included in <curses.h>.


       curses(3x), printf(3), vprintf(3)


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