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<H2><A NAME="SLsmg_set_screen_start"></A> <A NAME="s25">25. <B>SLsmg_set_screen_start</B></A></H2>

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<DT><B> Synopsis </B><DD><P>Set the origin of the virtual display
<DT><B> Usage </B><DD><P><CODE>void SLsmg_set_screen_start (int *r, int *c)</CODE>
<DT><B> Description </B><DD><P><CODE>SLsmg_set_screen_start</CODE> sets the origin of the virtual display
to the row <CODE>*r</CODE> and the column <CODE>*c</CODE>.  If either <CODE>r</CODE> or <CODE>c</CODE>
is <CODE>NULL</CODE>, then the corresponding value will be set to <CODE>0</CODE>.
Otherwise, the location specified by the pointers will be updated to
reflect the old origin.
<P>See <CODE>slang/demo/pager.c</CODE> for how this function may be used to
scroll horizontally.
<DT><B> See Also </B><DD><P><CODE>SLsmg_init_smg</CODE>
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