1 files changed, 37 insertions, 0 deletions
diff --git a/reference/C/CONTRIB/SNIP/fsm.c b/reference/C/CONTRIB/SNIP/fsm.c
new file mode 100755
index 0000000..58c4220
--- /dev/null
+++ b/reference/C/CONTRIB/SNIP/fsm.c
@@ -0,0 +1,37 @@
+/*
+**  code snippet demonstrating a finite state machine (FSM)
+*/
+
+typedef enum {s0,s1,s2,s3,s4,...,sn,sexit} state;
+
+state nextstate;
+int done = 0;
+
+nextstate = s0;  /* set up to start with the first state */
+while(!done)
+   switch(nextstate)
+      {
+         case s0:
+            nextstate = do_state_0();
+            break;
+         case s1:
+            nextstate = do_state_1();
+            break;
+         case s2:
+            nextstate = do_state_2();
+            break;
+         case s3:
+             .
+             .
+             .
+             .
+         case sn:
+            nextstate = do_state_n();
+            break;
+         case sexit:
+            done = TRUE;
+            break;
+         default:
+            /*  some sort of unknown state */
+            break;
+      }