diff --git a/README.md b/README.md
index 5e203e4..4a063b5 100644
--- a/README.md
+++ b/README.md
@@ -18,9 +18,11 @@ run_tests();
 
 You can use the following functions or just pass boolean value as first argument of `test()`
 
-* `int is_equal(void *res, void *correct);`
-* `int is_true(void *res);`
-* `int is_false(void *res);`
+- `int is_equal(void *res, void *correct)`
+- `int is_true(void *res)`
+- `int is_false(void *res)`
+- `int is_equal_array(void **res, int size, void **correct)`
+- `int not(void *res)`
 
 # Installation:
 
@@ -35,5 +37,5 @@ sudo make install CT_VERSION=1
 It is also required for update
 
 ```bash
-sudo make uninstall  CT_VERSION=1
+sudo make uninstall CT_VERSION=1
 ```
diff --git a/include/funcs.h b/include/funcs.h
index 0d48e75..62a933c 100644
--- a/include/funcs.h
+++ b/include/funcs.h
@@ -4,5 +4,7 @@
 int is_equal(void *res, void *correct);
 int is_true(void *res);
 int is_false(void *res);
+int is_equal_array(void **res, int size, void **correct);
+int not(void *res);
 
 #endif
\ No newline at end of file
diff --git a/src/funcs.c b/src/funcs.c
index 3495bb8..68e2f34 100644
--- a/src/funcs.c
+++ b/src/funcs.c
@@ -11,6 +11,21 @@ int is_true(void *res)
 }
 
 int is_false(void *res)
+{
+  return !res;
+}
+
+int is_equal_array(void **res, int size, void **correct)
+{
+  for (int i = 0; i < size; i++)
+    if (res[i])
+      if (res[i] != correct[i])
+        return 0;
+
+  return 1;
+}
+
+int not(void *res)
 {
   return !res;
 }
\ No newline at end of file