ScreenRetrieve

Syntax

#include <pc.h>

void  ScreenRetrieve(void *buf);

Description

This function stores a replica of the current primary screen contents in the buffer pointed to by buf. It assumes without checking that buf has enough storage to hold the data. The required storage can be computed as ScreenRows()*ScreenCols()*2 (section ScreenRows, section ScreenCols).

Return Value

None.

Portability

not ANSI, not POSIX

Example

unsigned *saved_screen = (unsigned *)alloca(ScreenRows()*ScreenCols()*2;

ScreenRetrieve(saved_screen);

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