wo lernen?

.gitignore

@@ -14,3 +14,4 @@ checkcheck
 multibrot
 multibrot.png
 bloom
+wo-lernen

Makefile

@@ -1,7 +1,7 @@
 CFLAGS=-std=c99 -Wall -g -O2
 INDENTOPTS=-kr --no-tabs --braces-on-func-def-line --indent-level2
 
-TARGETS=approximate-pi linked-list mandelbrot threads circular-buffer structs ncurses-pong bit-fuckery bit-fuckery2 checkcheck multibrot bloom
+TARGETS=approximate-pi linked-list mandelbrot threads circular-buffer structs ncurses-pong bit-fuckery bit-fuckery2 checkcheck multibrot bloom wo-lernen
 EXTRAS=mandelbrot.bmp multibrot.png
 
 .PHONY: all

wo-lernen.c

@@ -0,0 +1,27 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <unistd.h>
+
+// http://www.concentric.net/~Ttwang/tech/inthash.htm
+unsigned long mix(unsigned long a, unsigned long b, unsigned long c) {
+  a=a-b;  a=a-c;  a=a^(c >> 13);
+  b=b-c;  b=b-a;  b=b^(a << 8);
+  c=c-a;  c=c-b;  c=c^(b >> 13);
+  a=a-b;  a=a-c;  a=a^(c >> 12);
+  b=b-c;  b=b-a;  b=b^(a << 16);
+  c=c-a;  c=c-b;  c=c^(b >> 5);
+  a=a-b;  a=a-c;  a=a^(c >> 3);
+  b=b-c;  b=b-a;  b=b^(a << 10);
+  c=c-a;  c=c-b;  c=c^(b >> 15);
+  return c;
+}
+
+int main(int argc, char* argv[]) {
+  unsigned long seed = mix(clock(), time(NULL), getpid());
+  srand(seed);
+
+  char* wo[] = { "unibib", "blb", "theater" };
+  int i = rand() % 3;
+  printf("%s\n", wo[i]);
+}