\fBint bkgrnd(\fR\fB const cchar_t *\fR\fIwch\fR\fB);\fR
.br
\fBint wbkgrnd(\fR\fB WINDOW *\fR\fIwin\fR\fB, const cchar_t *\fR\fIwch\fR\fB);\fR
\fBint bkgrnd(\fR\fB const cchar_t *\fR\fIwch\fR\fB);\fR
.br
\fBint wbkgrnd(\fR\fB WINDOW *\fR\fIwin\fR\fB, const cchar_t *\fR\fIwch\fR\fB);\fR