diff --git a/gg/gg.v b/gg/gg.v
index 08b40a635d..cbf8b1c98a 100644
--- a/gg/gg.v
+++ b/gg/gg.v
@@ -47,7 +47,7 @@ struct Character {
 	advance    u32
 }
 
-fn init() {
+pub fn init() {
 	println(gl.TEXT_VERT)
 	gl.init_glad()
 }
@@ -198,7 +198,7 @@ pub fn (ctx &GG) draw_triangle_tex(x1, y1, x2, y2, x3, y3 f32, c gx.Color) {
 	gl.draw_elements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, 0)
 }
 
-fn (ctx &GG) draw_rect(x, y, w, h f32, c gx.Color) {
+pub fn (ctx &GG) draw_rect(x, y, w, h f32, c gx.Color) {
 	// println('gg.draw_rect($x,$y,$w,$h)')
 	// wrong order
 	// // ctx.draw_triangle(x, y, x + w, y, x + w, y + h, c)
@@ -231,7 +231,7 @@ fn (ctx mut GG) init_rect_vao() {
 	gl.set_ebo(ebo, indices, GL_STATIC_DRAW)
 } 
 */
-fn (ctx &GG) draw_rect2(x, y, w, h f32, c gx.Color) {
+pub fn (ctx &GG) draw_rect2(x, y, w, h f32, c gx.Color) {
 	C.glDeleteBuffers(1, &ctx.VAO)
 	C.glDeleteBuffers(1, &ctx.VBO)
 	ctx.shader.use()
@@ -305,7 +305,7 @@ fn ft_load_char(_face Face, code i64) Character {
 	return ch
 }
 
-fn new_context_text(cfg Cfg, scale int) *GG {
+pub fn new_context_text(cfg Cfg, scale int) *GG {
 	// Can only have text in ortho mode
 	if !cfg.use_ortho {
 		return &GG{text_ctx: 0}
diff --git a/gl/gl.v b/gl/gl.v
index 9fcffc3aaf..454c8f3d8b 100644
--- a/gl/gl.v
+++ b/gl/gl.v
@@ -20,7 +20,7 @@ import const (
 #include "glad.h"
 #include "glad.c"
 
-fn init_glad() {
+pub fn init_glad() {
 	ok := C.gladLoadGL()
 	if !ok {
 		println('Failed to initialize glad OpenGL context')
diff --git a/glfw/glfw.v b/glfw/glfw.v
index b235d4fbbc..74cc27940a 100644
--- a/glfw/glfw.v
+++ b/glfw/glfw.v
@@ -124,10 +124,10 @@ struct Pos {
 	y int
 }
 
-// type clickfn fn (window * GLFWwindow, button, action, mods int)
-type clickfn fn (window voidptr, button, action, mods int)
+// type clickpub fn pub fn (window * GLFWwindow, button, action, mods int)
+type clickpubfn fn (window voidptr, button, action, mods int)
 
-fn init() {
+pub fn init() {
 	C.glfwInit()
 	# glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
 	# glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
@@ -135,17 +135,17 @@ fn init() {
 	# glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
 }
 
-// fn mouse_move(w * GLFWwindow, x, y double) {
-fn mouse_move(w voidptr, x, y f64) {
+// pub fn mouse_move(w * GLFWwindow, x, y double) {
+pub fn mouse_move(w voidptr, x, y f64) {
 	// #printf("%f : %f => %d \n", x,y);
 }
 
-// fn create_window(title string, w, h int) * Window {
-fn window_hint(key, val int) {
+// pub fn create_window(title string, w, h int) * Window {
+pub fn window_hint(key, val int) {
 	C.glfwWindowHint(key, val)
 }
 
-fn create_window(c WinCfg) *Window {
+pub fn create_window(c WinCfg) *Window {
 	// TODO why i need this in stdlib? extern?
 	// # if (!gconst_init)   {  init_consts(); gconst_init = 1; }
 	// ChatsRepo
@@ -180,92 +180,92 @@ fn create_window(c WinCfg) *Window {
 	return window
 }
 
-fn (w &Window) set_title(title string) {
+pub fn (w &Window) set_title(title string) {
 	C.glfwSetWindowTitle(w.data, title.str)
 }
 
-fn (w &Window) make_context_current() {
+pub fn (w &Window) make_context_current() {
 	// ChatsRepo
 	kkk := 0
 	// println('making context current' )
 	C.glfwMakeContextCurrent(w.data)
 }
 
-fn swap_interval(interval int) {
+pub fn swap_interval(interval int) {
 	C.glfwSwapInterval(interval)
 }
 
-fn wait_events() {
+pub fn wait_events() {
 	C.glfwWaitEvents()
 }
 
-fn poll_events() {
+pub fn poll_events() {
 	C.glfwPollEvents()
 }
 
-fn (w &Window) should_close() bool {
+pub fn (w &Window) should_close() bool {
 	// ChatsRepo
 	return C.glfwWindowShouldClose(w.data)
 }
 
-fn (w &Window) swap_buffers() {
+pub fn (w &Window) swap_buffers() {
 	C.glfwSwapBuffers(w.data)
 }
 
-fn (w mut Window) onmousemove(cb voidptr) {
+pub fn (w mut Window) onmousemove(cb voidptr) {
 	C.glfwSetCursorPosCallback(w.data, cb)
 }
 
-fn (w mut Window) set_mouse_button_callback(cb voidptr) {
+pub fn (w mut Window) set_mouse_button_callback(cb voidptr) {
 	C.glfwSetMouseButtonCallback(w.data, cb)
 }
 
-fn (w mut Window) on_click(cb voidptr) {
+pub fn (w mut Window) on_click(cb voidptr) {
 	C.glfwSetMouseButtonCallback(w.data, cb)
 }
 
-fn (w &Window) set_scroll_callback(cb voidptr) {
+pub fn (w &Window) set_scroll_callback(cb voidptr) {
 	C.glfwSetScrollCallback(w.data, cb)
 }
 
-fn (w &Window) on_scroll(cb voidptr) {
+pub fn (w &Window) on_scroll(cb voidptr) {
 	C.glfwSetScrollCallback(w.data, cb)
 }
 
-fn post_empty_event() {
+pub fn post_empty_event() {
 	C.glfwPostEmptyEvent()
 }
 
-fn (w mut Window) onkeydown(cb voidptr) {
+pub fn (w mut Window) onkeydown(cb voidptr) {
 	C.glfwSetKeyCallback(w.data, cb)
 }
 
-fn (w mut Window) onchar(cb voidptr) {
+pub fn (w mut Window) onchar(cb voidptr) {
 	C.glfwSetCharModsCallback(w.data, cb)
 }
 
-fn get_time() f64 {
+pub fn get_time() f64 {
 	return C.glfwGetTime()
 }
 
-fn key_pressed(wnd voidptr, key int) bool {
+pub fn key_pressed(wnd voidptr, key int) bool {
 	# return glfwGetKey(wnd, key) == GLFW_PRESS;
 	return false
 }
 
 // TODO not mut
-fn (w mut Window) get_clipboard_text() string {
+pub fn (w mut Window) get_clipboard_text() string {
 	return tos2(C.glfwGetClipboardString(w.data))
 	// # char *c = glfwGetClipboardString(w->data);
 	// # return tos_no_len(c);
 	// return ''
 }
 
-fn (w &Window) set_clipboard_text(s string) {
+pub fn (w &Window) set_clipboard_text(s string) {
 	C.glfwSetClipboardString(w.data, s.str)
 }
 
-fn (w &Window) get_cursor_pos() Pos {
+pub fn (w &Window) get_cursor_pos() Pos {
 	x := f64(0)
 	y := f64(0)
 	C.glfwGetCursorPos(w.data, &x, &y)
@@ -275,17 +275,17 @@ fn (w &Window) get_cursor_pos() Pos {
 	}
 }
 
-fn (w &Window) user_ptr() voidptr {
+pub fn (w &Window) user_ptr() voidptr {
 	return C.glfwGetWindowUserPointer(w.data)
 }
 
-fn (w &Window) set_user_ptr(ptr voidptr) {
+pub fn (w &Window) set_user_ptr(ptr voidptr) {
 	C.glfwSetWindowUserPointer(w.data, ptr)
 }
 
-fn C.glfwGetVideoMode() C.GLFWvideoMode
+pub fn C.glfwGetVideoMode() C.GLFWvideoMode
 
-fn get_monitor_size() Size {
+pub fn get_monitor_size() Size {
 	# GLFWvidmode* mode = glfwGetVideoMode(glfwGetPrimaryMonitor());
 	// window_width = mode->width;
 	// window_height = mode->height;
@@ -297,11 +297,11 @@ fn get_monitor_size() Size {
 	return res
 }
 
-fn (size Size) str() string {
+pub fn (size Size) str() string {
 	return '{$size.width, $size.height}'
 }
 
-fn get_window_user_pointer(gwnd voidptr) voidptr {
+pub fn get_window_user_pointer(gwnd voidptr) voidptr {
 	return C.glfwGetWindowUserPointer(gwnd)
 }
 
diff --git a/glm/glm.v b/glm/glm.v
index 72616fcd71..912da5608c 100644
--- a/glm/glm.v
+++ b/glm/glm.v
@@ -134,7 +134,7 @@ fn f32_calloc(n int) *f32 {
 	return *f32(calloc(n * sizeof(f32)))
 }
 // fn translate(vec Vec3) *f32 {
-fn translate(m Mat4, v Vec3) Mat4 {
+pub fn translate(m Mat4, v Vec3) Mat4 {
 	// # return glm__mat4(myglm_translate(vec.x,vec.y,vec.z)  );
 	a := m.data
 	mut out := f32_calloc(16)
@@ -161,7 +161,7 @@ fn normalize(vec Vec3) Vec3 {
 }
 */
 // https://github.com/g-truc/glm/blob/0ceb2b755fb155d593854aefe3e45d416ce153a4/glm/ext/matrix_clip_space.inl
-fn ortho(left, right, bottom, top f32) Mat4 {
+pub fn ortho(left, right, bottom, top f32) Mat4 {
 	println('glm ortho($left, $right, $bottom, $top)')
 	// mat<4, 4, T, defaultp> Result(static_cast<T>(1));
 	n := 16
@@ -176,7 +176,7 @@ fn ortho(left, right, bottom, top f32) Mat4 {
 }
 
 // fn scale(a *f32, v Vec3) *f32 {
-fn scale(m Mat4, v Vec3) Mat4 {
+pub fn scale(m Mat4, v Vec3) Mat4 {
 	a := m.data
 	mut out := f32_calloc(16)
 	x := v.x
@@ -202,7 +202,7 @@ fn scale(m Mat4, v Vec3) Mat4 {
 }
 
 // fn rotate_z(a *f32, rad f32) *f32 {
-fn rotate_z(m Mat4, rad f32) Mat4 {
+pub fn rotate_z(m Mat4, rad f32) Mat4 {
 	a := m.data
 	mut out := f32_calloc(16)
 	s := math.sin(rad)
@@ -235,7 +235,7 @@ fn rotate_z(m Mat4, rad f32) Mat4 {
 	return mat4(out)
 }
 
-fn identity() Mat4 {
+pub fn identity() Mat4 {
 	// 1 0 0 0
 	// 0 1 0 0
 	// 0 0 1 0
@@ -250,7 +250,7 @@ fn identity() Mat4 {
 }
 
 // returns *f32 without allocation
-fn identity2(res *f32) {
+pub fn identity2(res *f32) {
 	res[0] = 1
 	res[5] = 1
 	res[10] = 1
@@ -261,7 +261,7 @@ fn identity2(res *f32) {
 	// # gl__Shader_set_mat4(shader, tos2("projection"), f) ;
 }
 
-fn identity3() []f32 {
+pub fn identity3() []f32 {
 	res := [1.0, 0, 0, 0,
 	0, 1, 0, 0,
 	0, 0, 1, 0,
diff --git a/math/math.v b/math/math.v
index 81f246f725..d5e9c6745e 100644
--- a/math/math.v
+++ b/math/math.v
@@ -20,111 +20,111 @@ const (
 	Log10E = 1.0 / Ln10
 )
 
-fn abs(a f64) f64 {
+pub fn abs(a f64) f64 {
 	if a < 0 {
 		return -a
 	}
 	return a
 }
 
-fn acos(a f64) f64 {
+pub fn acos(a f64) f64 {
 	return C.acos(a)
 }
 
-fn asin(a f64) f64 {
+pub fn asin(a f64) f64 {
 	return C.asin(a)
 }
 
-fn atan(a f64) f64 {
+pub fn atan(a f64) f64 {
 	return C.atan(a)
 }
 
-fn atan2(a, b f64) f64 {
+pub fn atan2(a, b f64) f64 {
 	return C.atan2(a, b)
 }
 
-fn ceil(a f64) f64 {
+pub fn ceil(a f64) f64 {
 	return C.ceil(a)
 }
 
-fn cos(a f64) f64 {
+pub fn cos(a f64) f64 {
 	return C.cos(a)
 }
 
-fn cosh(a f64) f64 {
+pub fn cosh(a f64) f64 {
 	return C.cosh(a)
 }
 
-fn exp(a f64) f64 {
+pub fn exp(a f64) f64 {
 	return C.exp(a)
 }
 
-fn floor(a f64) f64 {
+pub fn floor(a f64) f64 {
 	return C.floor(a)
 }
 
-fn fmod(a, b f64) f64 {
+pub fn fmod(a, b f64) f64 {
 	return C.fmod(a, b)
 }
 
-fn log(a f64) f64 {
+pub fn log(a f64) f64 {
 	return C.log(a)
 }
 
-fn log10(a f64) f64 {
+pub fn log10(a f64) f64 {
 	return C.log10(a)
 }
 
-fn max(a, b f64) f64 {
+pub fn max(a, b f64) f64 {
 	if a > b {
 		return a
 	}
 	return b
 }
 
-fn min(a, b f64) f64 {
+pub fn min(a, b f64) f64 {
 	if a < b {
 		return a
 	}
 	return b
 }
 
-fn pow(a, b f64) f64 {
+pub fn pow(a, b f64) f64 {
 	return C.pow(a, b)
 }
 
-fn radians(degrees f64) f64 {
+pub fn radians(degrees f64) f64 {
 	return degrees * (Pi / 180.0)
 }
 
-fn degrees(radians f64) f64 {
+pub fn degrees(radians f64) f64 {
 	return radians * (180.0 / Pi)
 }
 
-fn round(f f64) f64 {
+pub fn round(f f64) f64 {
 	return C.round(f)
 }
 
-fn sin(a f64) f64 {
+pub fn sin(a f64) f64 {
 	return C.sin(a)
 }
 
-fn sinh(a f64) f64 {
+pub fn sinh(a f64) f64 {
 	return C.sinh(a)
 }
 
-fn sqrt(a f64) f64 {
+pub fn sqrt(a f64) f64 {
 	return C.sqrt(a)
 }
 
-fn tan(a f64) f64 {
+pub fn tan(a f64) f64 {
 	return C.tan(a)
 }
 
-fn tanh(a f64) f64 {
+pub fn tanh(a f64) f64 {
 	return C.tanh(a)
 }
 
-fn trunc(a f64) f64 {
+pub fn trunc(a f64) f64 {
 	return C.trunc(a)
 }
diff --git a/stbi/stbi.v b/stbi/stbi.v
index a8b66fdbf6..4f6e63f9fa 100644
--- a/stbi/stbi.v
+++ b/stbi/stbi.v
@@ -29,7 +29,7 @@ import const (
 	STBI_rgb_alpha
 )
 
-fn load(path string) Image {
+pub fn load(path string) Image {
 	ext := path.all_after('.')
 	mut res := Image {
 		ok: true
@@ -49,11 +49,11 @@ fn load(path string) Image {
 	return res
 }
 
-fn (img Image) free() {
+pub fn (img Image) free() {
 	C.stbi_image_free(img.data)
 }
 
-fn (img Image) tex_image_2d() {
+pub fn (img Image) tex_image_2d() {
 	mut rgb_flag := GL_RGB
 	if img.ext == 'png' {
 		rgb_flag = GL_RGBA
@@ -62,7 +62,7 @@ fn (img Image) tex_image_2d() {
 	img.data)
 }
 
-fn set_flip_vertically_on_load(val bool) {
+pub fn set_flip_vertically_on_load(val bool) {
 	C.stbi_set_flip_vertically_on_load(val)
 }