miscelaneous code for testing purposes

cmte e2cce13ae5 Merge branch 'cpp-sample' of cmte/code into master %!s(int64=3) %!d(string=hai) anos
bouncing-ball d1c480fc1a new: bouncing ball using SDL %!s(int64=3) %!d(string=hai) anos
cpp-test 6b75ea0e69 feat: simple cpp sample, to be used for testing %!s(int64=3) %!d(string=hai) anos
libpng df618788c2 several makefile corrections %!s(int64=4) %!d(string=hai) anos
libprcalc 419257e888 libprcalc: added acert to check_flags %!s(int64=4) %!d(string=hai) anos
prime-sieve 45cfcd4c58 prime siece %!s(int64=3) %!d(string=hai) anos
pthread df618788c2 several makefile corrections %!s(int64=4) %!d(string=hai) anos
queue_thread_model 2b2ae5eafb all: indent -kr -i4 %!s(int64=5) %!d(string=hai) anos
tun 6e7f9610b3 mandelbrot: add makefile for armv7 32bits %!s(int64=4) %!d(string=hai) anos
unchat e86175a568 unchat: initial development %!s(int64=5) %!d(string=hai) anos
wander-ball 08f12d5010 go-music: moved to a proper repository %!s(int64=3) %!d(string=hai) anos
x11-random cb1093aac1 new additions to support freebsd %!s(int64=4) %!d(string=hai) anos
.gitignore cb1093aac1 new additions to support freebsd %!s(int64=4) %!d(string=hai) anos
LICENSE d8019e0364 rebase %!s(int64=5) %!d(string=hai) anos