CURS_SCANW(3CURSES) Curses Library Functions CURS_SCANW(3CURSES)


NAME


curs_scanw, scanw, wscanw, mvscanw, mvwscanw, vwscanw - convert formatted
input from a curses widow

SYNOPSIS


cc [ flag ... ] file ... -lcurses [ library ... ]
#include <curses.h>

int scanw(char *fmt, /* arg */ ...);


int wscanw(WINDOW *win, char *fmt, /* arg */ ...);


int mvscanw(int y, int x, char *fmt, /* arg */ ...);


int mvwscanw(WINDOW *win, int y, int x, char *fmt, /* arg */...);


int vwscanw(WINDOW *win, char *fmt, va_list varglist);


DESCRIPTION


The scanw(), wscanw(), and mvscanw() routines correspond to scanf() (see
scanf(3C)). The effect of these routines is as though wgetstr() were
called on the window, and the resulting line used as input for the scan.
Fields which do not map to a variable in the fmt field are lost.


The vwscanw() routine is similar to vwprintw() in that it performs a
wscanw() using a variable argument list. The third argument is a va_list,
a pointer to a list of arguments, as defined in <varargs.h>.

RETURN VALUES


vwscanw() returns ERR on failure and an integer equal to the number of
fields scanned on success.


Applications may interrogate the return value from the scanw, wscanw(),
mvscanw(), and mvwscanw() routines to determine the number of fields
which were mapped in the call.

ATTRIBUTES


See attributes(7) for descriptions of the following attributes:


+---------------+-----------------+
|ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+---------------+-----------------+
|MT-Level | Unsafe |
+---------------+-----------------+

SEE ALSO


scanf(3C), curs_getstr(3CURSES), curs_printw(3CURSES), curses(3CURSES),
attributes(7)

NOTES


The header <curses.h> automatically includes the headers <stdio.h> and
<unctrl.h>.


December 31, 1996 CURS_SCANW(3CURSES)