diff --git a/c_testanalysis.c b/c_testanalysis.c
new file mode 100644
index 0000000..6843480
--- /dev/null
+++ b/c_testanalysis.c
@@ -0,0 +1,37 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include "collocatordb.h"
+
+uint64_t total=0;
+
+vocab_entry vocab[100000];
+
+void read_vocab(char *fname) {
+  char strbuf[2048];
+  long long freq;
+	FILE *fin = fopen(fname, "rb");
+	if (fin == NULL) {
+		printf("Vocabulary file not found\n");
+		exit(1);
+	}
+  uint64_t i = 0;
+  while(!feof(fin)) {
+		fscanf(fin, "%s %lld", strbuf, &freq);
+    vocab[i].word = strdup(strbuf);
+    vocab[i].freq = freq;
+    total += freq;
+    i++;
+  }
+  fclose(fin);
+}
+
+int main() {
+	COLLOCATORS *cdb = open_collocators("/vol/work/kupietz/Work2/kl/trunk/Analysemethoden/wang2vec/sampledb");
+  read_vocab("/vol/work/kupietz/Work2/kl/trunk/Analysemethoden/wang2vec/sample.vocab");
+  for(int i=500; i < 600; i++)
+    get_collocators(cdb, i, vocab, total);
+  printf("%s\n", get_collocators_as_json(cdb, 500, vocab, total));
+	return 0;
+}