diff --git a/include/ucore/seq.h b/include/ucore/seq.h
index b53340a..72f33fb 100644
--- a/include/ucore/seq.h
+++ b/include/ucore/seq.h
@@ -2,19 +2,28 @@
 #define SEQ_H_
 #include <stdint.h>
 
-// Check if a is before b, taking care of wrap arounds
-static inline int seq_before(uint32_t a, uint32_t b)
+// Check if a is less than b, taking care of wrap arounds
+static inline int uc_seq_lt(uint32_t a, uint32_t b)
 {
             return (int32_t)(a - b) < 0;
 }
 
-// check if a is before b, taking care of wrap arounds
-#define seq_after(a, b)   before(b, a)
-
-//check if a is between b or c
-static inline int seqbetween(uint32_t a, uint32_t b, uint32_t c)
+// check if a is greather than  b, taking care of wrap arounds
+static inline int uc_seq_gt(uint32_t a, uint32_t b)
 {
-        return c - b >= a - b;
+            return (int32_t)(a - b) > 0;
+}
+//
+// Check if a is less than or equal to b, taking care of wrap arounds
+static inline int uc_seq_leq(uint32_t a, uint32_t b)
+{
+            return (int32_t)(a - b) <= 0;
+}
+
+// check if a is greather than or equal b, taking care of wrap arounds
+static inline int uc_seq_geq(uint32_t a, uint32_t b)
+{
+            return (int32_t)(a - b) >= 0;
 }
 
 
diff --git a/test/seq.c b/test/seq.c
index 7de6b0b..5750ef0 100644
--- a/test/seq.c
+++ b/test/seq.c
@@ -4,7 +4,7 @@
 
 void check_before(uint32_t a, uint32_t b)
 {
-    printf("%lu before %lu = %d\n", a ,b, seq_before(a, b));
+    printf("%lu before %lu = %d\n", a ,b, seq_lt(a, b));
 }
 
 int main(int argc, char *argv[])
diff --git a/test/test_runner.c b/test/test_runner.c
index e99966b..ea0faa2 100644
--- a/test/test_runner.c
+++ b/test/test_runner.c
@@ -16,6 +16,7 @@ extern Suite *logging_suite(void);
 extern Suite *threadqueue_suite(void);
 extern Suite *buffer_suite(void);
 extern Suite *clock_suite(void);
+extern Suite *seq_suite(void);
 
 static suite_func suites[] = {
     bitvec_suite,
@@ -28,6 +29,7 @@ static suite_func suites[] = {
     threadqueue_suite,
     buffer_suite,
     clock_suite,
+    seq_suite,
 };
 
 int