Re: Various MiNT questions

[Stephen Usher <Stephen.Usher@earth.ox.ac.uk>]

>4.  Has anyone written a clear program to clear the screen.  An easy way would
>be to print the clear character to the screen, but to make it work for any
>term driver I guess it would require curses.

Here's an implemenation of "clear" which can also act as "reset" depending
upon the name it's invoked with.

Steve

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Computer Systems Administrator, Dept. of Earth Sciences, Oxford University.
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--8<-- Cut -- Here --8<--
#include <stdio.h>

char *strchr(), *getenv(), *tgetstr();
void writechar();

main(argc, argv)
int argc;
char *argv[];
{
	char buffer[1024];
	char buffer2[1024];
	char *termname, *string;
	char *capability;

	if (!strcmp("reset", argv[0]))
		capability = "rs";
	else
		capability = "cl";

	if ((termname = getenv("TERM")) == NULL)
		exit(0);

	if (tgetent(buffer, termname) != 1)
		exit(0);

	string = buffer2;

	string = tgetstr("cl", &string);

	tputs(string, 1, writechar);
}

void writechar(character)
char character;
{
	write(fileno(stdout), &character, 1);
}