Digital的Unix操作系统VAX 4.2源码

源代码在线查看: clear.3cur

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关键词: Digital Unix 4.2 VAX
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相关代码

				.TH clear 3cur 				.SH Name				clear, wclear \- clear window				.SH Syntax				.PP				.B				#include 				.PP				.br				.B				int clear(\|)				.PP				.br				.B				int wclear(win)				.br				.B				WINDOW \(**win;				.SH Description				.NXR "clear macro"				.NXR "wclear subroutine"				The				.PN clear				routine 				resets the entire default				window to blanks and sets the current 				.br				(y, x) coordinates to (0, 0).				.PP				The routine 				.PN wclear				resets the entire specified				window to blanks and sets the current 				(y, x) coordinates to (0, 0).				.PP				The				.PN clear				routine				assumes that the screen may have garbage on it that it doesn't know				about. 				The routine first calls				.PN erase 				which copies blanks to every position in the default window,				and then				.PN clearok ,				which clears the physical screen completely on the next call				to				.PN refresh 				for 				.PN stdscr .				.PP				The routine 				.PN clear				is a macro.				.SH Return Values				The				.PN clear				and				.PN wclear				functions return OK on success and ERR on error.				.SH See Also				clearok(3cur), erase(3cur), refresh(3cur)							

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