diff --git a/src/stubser/stubser.c b/src/stubser/stubser.c
index 0207a3e..73efe6f 100644
--- a/src/stubser/stubser.c
+++ b/src/stubser/stubser.c
@@ -199,11 +199,6 @@ STATIC int8_t createStubExpected(char *aNoSuffix, FILE *aFile, FILE *aHeader, cf
       return -1;
    }
 
-   if (0 == aList->amount)
-   {
-      return 0;
-   }
-
    work = aList->head;
    while (work)
    {
@@ -227,7 +222,7 @@ STATIC int8_t createStubExpected(char *aNoSuffix, FILE *aFile, FILE *aHeader, cf
 
    fprintf(aHeader, "void "STUBFUNCTION_INITEXPECTED_S1"();"NEWLINES NEWLINES, aNoSuffix);
    fprintf(aFile, "void "STUBFUNCTION_INITEXPECTED_S1"()"NEWLINES"{"NEWLINES, aNoSuffix);
-
+   fprintf(aFile, "\t"STUBFUNCTION_USER_INITEXPECTED_S1"();"NEWLINES, aNoSuffix);
    work = aList->head;
    while (work)
    {
@@ -253,11 +248,6 @@ STATIC int8_t createStubGlobals(char *aNoSuffix, FILE *aFile, FILE *aHeader, cfi
       return -1;
    }
 
-   if (0 == aList->amount)
-   {
-      return 0;
-   }
-
    work = aList->head;
    while (work)
    {
@@ -281,7 +271,7 @@ STATIC int8_t createStubGlobals(char *aNoSuffix, FILE *aFile, FILE *aHeader, cfi
    }
 
    fprintf(aFile, "void "STUBFUNCTION_INITGLOBALS_S1"()"NEWLINES"{"NEWLINES, aNoSuffix);
-
+   fprintf(aFile, "\t"STUBFUNCTION_USER_INITGLOBALS_S1"();"NEWLINES, aNoSuffix);
    work = aList->head;
    while (work)
    {
@@ -313,14 +303,9 @@ STATIC int8_t createStubCheck(char *aNoSuffix, FILE *aFile, FILE *aHeader, cfile
       return -1;
    }
 
-   if (0 == aList->amount)
-   {
-      return 0;
-   }
-
    fprintf(aHeader, "void "STUBFUNCTION_CHECK_S1"();"NEWLINES NEWLINES, aNoSuffix);
    fprintf(aFile, "void "STUBFUNCTION_CHECK_S1"()"NEWLINES"{"NEWLINES, aNoSuffix);
-
+   fprintf(aFile, "\t"STUBFUNCTION_USER_CHECK_S1"();"NEWLINES, aNoSuffix);
    work = aList->head;
    while (work)
    {
@@ -539,37 +524,70 @@ int file_exist(const char *filename)
 
 STATIC void createUserHeader(char *aOutput, char *aNoSuffix)
 {
-   FILE *cheader;
+   FILE *fileDesc = NULL;
    char *cHeaderName = NULL;
+   char *cFileName = NULL;
    xmallocStrlcpy(&cHeaderName, aOutput, strlen(aOutput));
    xmallocStrlcat(&cHeaderName, "_user.h", 8);
+   xmallocStrlcpy(&cFileName, aOutput, strlen(aOutput));
+   xmallocStrlcat(&cFileName, "_user.c", 8);
 
-   if (file_exist(cHeaderName))
+   if (!file_exist(cHeaderName))
    {
-      free(cHeaderName);
-      return;
+      // user header doesn't exist
+      fileDesc = fopen(cHeaderName, "w");
+      if (NULL != fileDesc)
+      {
+
+         fprintf(fileDesc, "/*! @file %s"NEWLINES, gnu_basename(cHeaderName));
+         fprintf(fileDesc, " * @details"NEWLINES" * This is a user defined stub header.\\n"NEWLINES);
+         fprintf(fileDesc, " * Define subject header needed for compilation of stub (e.g. typedefs, structures, ...).\\n"NEWLINES);
+         fprintf(fileDesc, " * - generated by stubser -"NEWLINES" */" NEWLINES NEWLINES);
+
+         fprintf(fileDesc, "#ifndef _STUB_%s_USER_H"NEWLINES, aNoSuffix);
+         fprintf(fileDesc, "#define _STUB_%s_USER_H"NEWLINES, aNoSuffix);
+
+         fprintf(fileDesc, NEWLINES"// predefined stub user functions"NEWLINES);
+         fprintf(fileDesc, "void "STUBFUNCTION_USER_INITEXPECTED_S1"();"NEWLINES, aNoSuffix);
+         fprintf(fileDesc, "void "STUBFUNCTION_USER_INITGLOBALS_S1"();"NEWLINES, aNoSuffix);
+         fprintf(fileDesc, "void "STUBFUNCTION_USER_CHECK_S1"();"NEWLINES, aNoSuffix);
+
+         fprintf(fileDesc, NEWLINES"#endif // _STUB_%s_USER_H"NEWLINES, aNoSuffix);
+
+         fclose(fileDesc);
+         fileDesc = NULL;
+      }
    }
-
-// user header doesn't exist
-   cheader = fopen(cHeaderName, "w");
-   if (NULL == cheader)
-   {
-      free(cHeaderName);
-      return;
-   }
-
-   fprintf(cheader, "/*! @file %s"NEWLINES, gnu_basename(cHeaderName));
-   fprintf(cheader, " * @details"NEWLINES" * This is a user defined stub header.\\n"NEWLINES);
-   fprintf(cheader, " * Define subject header needed for compilation of stub (e.g. typedefs, structures, ...).\\n"NEWLINES);
-   fprintf(cheader, " * - generated by stubser -"NEWLINES" */" NEWLINES NEWLINES);
-
-   fprintf(cheader, "#ifndef _STUB_%s_USER_H"NEWLINES, aNoSuffix);
-   fprintf(cheader, "#define _STUB_%s_USER_H"NEWLINES NEWLINES, aNoSuffix);
-
-   fprintf(cheader, NEWLINES"#endif // _STUB_%s_USER_H"NEWLINES, aNoSuffix);
-
    free(cHeaderName);
-   fclose(cheader);
+
+   // TODO user c file
+   if (!file_exist(cFileName))
+   {
+      // user header doesn't exist
+      fileDesc = fopen(cFileName, "w");
+      if (NULL != fileDesc)
+      {
+
+         fprintf(fileDesc, "/*! @file %s"NEWLINES, gnu_basename(cFileName));
+         fprintf(fileDesc, " * @details"NEWLINES" * This is a user defined stub.\\n"NEWLINES);
+         fprintf(fileDesc, " * Define additional elements which need to be tested, or helper functions.\\n"NEWLINES);
+         fprintf(fileDesc, " * - generated by stubser -"NEWLINES" */" NEWLINES NEWLINES);
+
+         fprintf(fileDesc, "#include <CUnit/CUnit.h>"NEWLINES);
+         fprintf(fileDesc, "#include \"xasserts.h\""NEWLINES);
+         fprintf(fileDesc, "#include \"xtypes.h\""NEWLINES);
+         fprintf(fileDesc, "#include \"stub.h\""NEWLINES);
+         fprintf(fileDesc, "#include \"stub_%s_user.h\""NEWLINES, aNoSuffix);
+
+         fprintf(fileDesc, "// predefined stub user functions"NEWLINES);
+         fprintf(fileDesc, "void "STUBFUNCTION_USER_INITEXPECTED_S1"()"NEWLINES"{"NEWLINES"\t"NEWLINES"}"NEWLINES NEWLINES, aNoSuffix);
+         fprintf(fileDesc, "void "STUBFUNCTION_USER_INITGLOBALS_S1"()"NEWLINES"{"NEWLINES"\t"NEWLINES"}"NEWLINES NEWLINES, aNoSuffix);
+         fprintf(fileDesc, "void "STUBFUNCTION_USER_CHECK_S1"()"NEWLINES"{"NEWLINES"\t"NEWLINES"}"NEWLINES NEWLINES, aNoSuffix);
+
+         fclose(fileDesc);
+      }
+   }
+   free(cFileName);
 }
 
 STATIC int8_t createStub(char *aOutput, char *aNoSuffix, cfile_t *aCfile)
diff --git a/src/stubser/stubser_loc.h b/src/stubser/stubser_loc.h
index e591bc5..7389934 100644
--- a/src/stubser/stubser_loc.h
+++ b/src/stubser/stubser_loc.h
@@ -38,10 +38,14 @@
 #define STUBINIT_PARAM_PARAMETER_S1 "aParameter_%c" // aParameter_a
 #define STUBINIT_PARAM_RETURN_S "aReturnValue"
 
+#define STUBFUNCTION_USER_INITEXPECTED_S1 "stub_%s_user_initExpected" // stub_testfunction_initExpected
+#define STUBFUNCTION_USER_INITGLOBALS_S1 "stub_%s_user_initGlobals" // stub_testfunction_initGlobals
+#define STUBFUNCTION_USER_CHECK_S1 "stub_%s_user_checkGlobals" // stub_testfunction_checkGlobals
+
 #define STUBFUNCTION_INITEXPECTED_S1 "stub_%s_initExpected" // stub_testfunction_initExpected
 #define STUBFUNCTION_INITGLOBALS_S1 "stub_%s_initGlobals" // stub_testfunction_initGlobals
-#define STUBFUNCTION_INIT_S1 "stub_%s_init" // stub_testfunction_init
 #define STUBFUNCTION_CHECK_S1 "stub_%s_checkGlobals" // stub_testfunction_checkGlobals
+#define STUBFUNCTION_INIT_S1 "stub_%s_init" // stub_testfunction_init
 #define STUBVARIABLE_EXPECTED_S1 "%s_expected" // variable_expected
 
 #define STUB_CONSOLE_GOBACK "\033[2K\r"