wte.c: add prototype for random selection

src/wte.c

@@ -2,10 +2,22 @@
 #include <stdlib.h>
 #include "wte.h"
 
+static size_t get_entry_count()
+{
+  size_t count = 0;
+  count++;
+  return count;
+}
 
-static int get_proposition()
+static int make_suggestion()
 {
   int ret = 0;
+  srandom(time(NULL)); // seed random with current time
+  size_t count = get_entry_count();
+  if (count) {
+    size_t choice = random() % count;
+    printf("choice: %lu", choice);
+  }
   return ret;
 }
 
@@ -28,10 +40,10 @@ int main(const int argc, const char **argv)
     }
     goto exit_main;
   }
-  if (!get_proposition()) {
-    error("%s", "error");
-  }
 
+  if (make_suggestion()) {
+    ret = 0;
+  }
 
 exit_main:
   return ret;