The printw, wprintw, mvprintw and mvwprintw routines are
- analogous to printf [see printf(3S)]. In effect, the
+ 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(3S)] and perform a wprintw using a
+ 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
<stdarg.h>.
-
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.
-
-
PORTABILITY
- 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 The function vwprintw is marked TO BE WITHDRAWN,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
+ 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 The function vwprintw is marked TO BE WITHDRAWN,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
- implementation uses <stdarg.h> for both, because that
- header is included in <curses.h>.
+ 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>.
-