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authorThorsten Lockert <tholo@cvs.openbsd.org>1996-06-02 06:06:27 +0000
committerThorsten Lockert <tholo@cvs.openbsd.org>1996-06-02 06:06:27 +0000
commit97548ea6b6ae9322fb78df90b7633d40df4e11df (patch)
treeab5a82d85a6c89f0dfdb1e44cc10cc6d80167d0c /lib/libocurses/PSD.doc/twinkle2.c
parent4eae3aa9e113650162ffb0bbb09e47503936e77e (diff)
Install ncurses as -lcurses and <curses.h>
Install BSD curses library as -locurses and <ocurses.h>
Diffstat (limited to 'lib/libocurses/PSD.doc/twinkle2.c')
-rw-r--r--lib/libocurses/PSD.doc/twinkle2.c96
1 files changed, 96 insertions, 0 deletions
diff --git a/lib/libocurses/PSD.doc/twinkle2.c b/lib/libocurses/PSD.doc/twinkle2.c
new file mode 100644
index 00000000000..0a25590fcde
--- /dev/null
+++ b/lib/libocurses/PSD.doc/twinkle2.c
@@ -0,0 +1,96 @@
+.\" Copyright (c) 1980, 1993
+.\" The Regents of the University of California. All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\" notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\" notice, this list of conditions and the following disclaimer in the
+.\" documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\" must display the following acknowledgement:
+.\" This product includes software developed by the University of
+.\" California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\" may be used to endorse or promote products derived from this software
+.\" without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\" @(#)twinkle2.c 8.1 (Berkeley) 6/8/93
+.\"
+extern int _putchar();
+
+main()
+{
+ reg char *sp;
+
+ srand(getpid()); /* initialize random sequence */
+
+ if (isatty(0)) {
+ gettmode();
+ if ((sp = getenv("TERM")) != NULL)
+ setterm(sp);
+ signal(SIGINT, die);
+ }
+ else {
+ printf("Need a terminal on %d\n", _tty_ch);
+ exit(1);
+ }
+ _puts(TI);
+ _puts(VS);
+
+ noecho();
+ nonl();
+ tputs(CL, NLINES, _putchar);
+ for (;;) {
+ makeboard(); /* make the board setup */
+ puton('*'); /* put on '*'s */
+ puton(' '); /* cover up with ' 's */
+ }
+}
+
+puton(ch)
+char ch;
+{
+ reg LOCS *lp;
+ reg int r;
+ reg LOCS *end;
+ LOCS temp;
+ static int lasty, lastx;
+
+ end = &Layout[Numstars];
+ for (lp = Layout; lp < end; lp++) {
+ r = rand() % Numstars;
+ temp = *lp;
+ *lp = Layout[r];
+ Layout[r] = temp;
+ }
+
+ for (lp = Layout; lp < end; lp++)
+ /* prevent scrolling */
+ if (!AM || (lp->y < NLINES - 1 || lp->x < NCOLS - 1)) {
+ mvcur(lasty, lastx, lp->y, lp->x);
+ putchar(ch);
+ lasty = lp->y;
+ if ((lastx = lp->x + 1) >= NCOLS)
+ if (AM) {
+ lastx = 0;
+ lasty++;
+ }
+ else
+ lastx = NCOLS - 1;
+ }
+}