diff --git a/vlib/gl/gl.v b/vlib/gl/gl.v
index a97be08071..22da632379 100644
--- a/vlib/gl/gl.v
+++ b/vlib/gl/gl.v
@@ -48,6 +48,8 @@ fn C.gladLoadGL()
 fn C.glTexImage2D()
 fn C.glPixelStorei()
 fn C.glBlendFunc()
+fn C.glPolygonMode()
+fn C.glDeleteBuffers()
 
 
 
diff --git a/vlib/glfw/glfw.v b/vlib/glfw/glfw.v
index 6e3816ea96..7def0c39b3 100644
--- a/vlib/glfw/glfw.v
+++ b/vlib/glfw/glfw.v
@@ -60,7 +60,7 @@ fn C.glfwSetClipboardString()
 fn C.glfwGetWindowContentScale()
 fn C.glfwGetClipboardString()
 fn C.glfwGetKey()
-fn C.glfwGetTime()
+fn C.glfwGetTime() f64
 fn C.glfwSetCharModsCallback()
 fn C.glfwSetKeyCallback()
 fn C.glfwPostEmptyEvent()
@@ -69,6 +69,19 @@ fn C.glfwSetWindowSizeCallback()
 fn C.glfwSetMouseButtonCallback()
 fn C.glfwSetCursorPosCallback()
 fn C.glfwSwapBuffers()
+fn C.glfwWindowShouldClose()
+fn C.glfwSetWindowShouldClose()
+fn C.glfwWaitEvents()
+fn C.glfwPollEvents()
+fn C.glfwSwapInterval()
+fn C.glfwMakeContextCurrent()
+fn C.glfwSetWindowTitle()
+fn C.glfwTerminate()
+fn C.glfwCreateWindow()
+fn C.glfwWindowHint()
+fn C.glfwDestroyWindow()
+fn C.glfwInit()
+fn C.glGetIntegerv()
 
 // joe-c: fix & remove
 struct TmpGlImportHack {
diff --git a/vlib/rand/rand.v b/vlib/rand/rand.v
index a447142fb8..d20750fe7e 100644
--- a/vlib/rand/rand.v
+++ b/vlib/rand/rand.v
@@ -31,3 +31,4 @@ pub fn rand_r(seed &int) int {
 	}
 }
 
+