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_NEWLINE.C
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1992-11-21
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47 lines
#define CURSES_LIBRARY 1
#include <curses.h>
#ifndef NDEBUG
char *rcsid__newline = "$Header: c:/curses/private/RCS/_newline.c%v 2.0 1992/11/15 03:24:17 MH Rel $";
#endif
/*man-start*********************************************************************
PDC_newline() - Advances 1 newline from supplied line number.
PDCurses Description:
This is a private PDCurses routine.
Does line advance and returns the new cursor line. If error,
return -1.
PDCurses Return Value:
This function returns OK on success and ERR on error.
PDCurses Errors:
No errors are defined for this function.
Portability:
PDCurses int PDC_newline( WINDOW* win, int lin );
**man-end**********************************************************************/
int PDC_newline(WINDOW *win, int lin)
{
if (win == (WINDOW *)NULL)
return( -1 );
if (++lin > win->_bmarg)
{
lin--;
if (win->_scroll)
scroll(win);
else
return( -1 );
}
return( lin );
}