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in_wch, mvin_wch, mvwin_wch, win_wch - extract a complex character and rendition from a
int in_wch(cchar_t *wcval);
int mvin_wch(int y, int x, cchar_t *wcval);
int mvwin_wch(WINDOW *win, int y, int x, cchar_t *wcval);
int win_wch(WINDOW *win, cchar_t *wcval);
These functions extract the complex character and rendition from the current position in
the named window into the cchar_t object referenced by wcval.
No errors are defined in the XSI Curses standard. This implementation checks for null
pointers, returns ERR in that case. Also, the mv routines check for error moving the cur-
sor, returning ERR in that case. Otherwise they return OK
Note that all of these routines may be macros.
These functions are described in the XSI Curses standard, Issue 4.
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