diff --git a/examples/sokol/01_cubes/cube.v b/examples/sokol/01_cubes/cube.v
index 41e3e7fd9a..66034cabce 100644
--- a/examples/sokol/01_cubes/cube.v
+++ b/examples/sokol/01_cubes/cube.v
@@ -39,7 +39,7 @@ mut:
 * Texture functions
 *
 ******************************************************************************/
-fn create_texture(w int, h int, buf byteptr) C.sg_image {
+fn create_texture(w int, h int, buf &byte) C.sg_image {
 	sz := w * h * 4
 	mut img_desc := C.sg_image_desc{
 		width: w
@@ -68,7 +68,7 @@ fn destroy_texture(sg_img C.sg_image) {
 }
 
 // Use only if usage: .dynamic is enabled
-fn update_text_texture(sg_img C.sg_image, w int, h int, buf byteptr) {
+fn update_text_texture(sg_img C.sg_image, w int, h int, buf &byte) {
 	sz := w * h * 4
 	mut tmp_sbc := C.sg_image_content{}
 	tmp_sbc.subimage[0][0] = C.sg_subimage_content{
diff --git a/examples/sokol/02_cubes_glsl/cube_glsl.v b/examples/sokol/02_cubes_glsl/cube_glsl.v
index 4c233b872d..b60f864ae4 100644
--- a/examples/sokol/02_cubes_glsl/cube_glsl.v
+++ b/examples/sokol/02_cubes_glsl/cube_glsl.v
@@ -72,7 +72,7 @@ mut:
 * Texture functions
 *
 ******************************************************************************/
-fn create_texture(w int, h int, buf byteptr) C.sg_image {
+fn create_texture(w int, h int, buf &byte) C.sg_image {
 	sz := w * h * 4
 	mut img_desc := C.sg_image_desc{
 		width: w
@@ -101,7 +101,7 @@ fn destroy_texture(sg_img C.sg_image) {
 }
 
 // Use only if usage: .dynamic is enabled
-fn update_text_texture(sg_img C.sg_image, w int, h int, buf byteptr) {
+fn update_text_texture(sg_img C.sg_image, w int, h int, buf &byte) {
 	sz := w * h * 4
 	mut tmp_sbc := C.sg_image_content{}
 	tmp_sbc.subimage[0][0] = C.sg_subimage_content{
@@ -296,7 +296,7 @@ fn init_cube_glsl(mut app App) {
 	mut vert_buffer_desc := C.sg_buffer_desc{}
 	unsafe { C.memset(&vert_buffer_desc, 0, sizeof(vert_buffer_desc)) }
 	vert_buffer_desc.size = vertices.len * int(sizeof(Vertex_t))
-	vert_buffer_desc.content = byteptr(vertices.data)
+	vert_buffer_desc.content = &byte(vertices.data)
 	vert_buffer_desc.@type = .vertexbuffer
 	// vert_buffer_desc.usage   = .immutable
 	vert_buffer_desc.label = 'cube-vertices'.str
@@ -315,7 +315,7 @@ fn init_cube_glsl(mut app App) {
 	mut index_buffer_desc := C.sg_buffer_desc{}
 	unsafe { C.memset(&index_buffer_desc, 0, sizeof(index_buffer_desc)) }
 	index_buffer_desc.size = indices.len * int(sizeof(u16))
-	index_buffer_desc.content = byteptr(indices.data)
+	index_buffer_desc.content = &byte(indices.data)
 	index_buffer_desc.@type = .indexbuffer
 	index_buffer_desc.label = 'cube-indices'.str
 	ibuf := gfx.make_buffer(&index_buffer_desc)
diff --git a/examples/sokol/03_march_tracing_glsl/rt_glsl.v b/examples/sokol/03_march_tracing_glsl/rt_glsl.v
index c747c72061..9306a6c2d7 100644
--- a/examples/sokol/03_march_tracing_glsl/rt_glsl.v
+++ b/examples/sokol/03_march_tracing_glsl/rt_glsl.v
@@ -71,7 +71,7 @@ mut:
 /******************************************************************************
 * Texture functions
 ******************************************************************************/
-fn create_texture(w int, h int, buf byteptr) C.sg_image {
+fn create_texture(w int, h int, buf &byte) C.sg_image {
 	sz := w * h * 4
 	mut img_desc := C.sg_image_desc{
 		width: w
@@ -100,7 +100,7 @@ fn destroy_texture(sg_img C.sg_image) {
 }
 
 // Use only if usage: .dynamic is enabled
-fn update_text_texture(sg_img C.sg_image, w int, h int, buf byteptr) {
+fn update_text_texture(sg_img C.sg_image, w int, h int, buf &byte) {
 	sz := w * h * 4
 	mut tmp_sbc := C.sg_image_content{}
 	tmp_sbc.subimage[0][0] = C.sg_subimage_content{
@@ -175,7 +175,7 @@ fn init_cube_glsl(mut app App) {
 	mut vert_buffer_desc := C.sg_buffer_desc{}
 	unsafe { C.memset(&vert_buffer_desc, 0, sizeof(vert_buffer_desc)) }
 	vert_buffer_desc.size = vertices.len * int(sizeof(Vertex_t))
-	vert_buffer_desc.content = byteptr(vertices.data)
+	vert_buffer_desc.content = &byte(vertices.data)
 	vert_buffer_desc.@type = .vertexbuffer
 	vert_buffer_desc.label = 'cube-vertices'.str
 	vbuf := gfx.make_buffer(&vert_buffer_desc)
@@ -193,7 +193,7 @@ fn init_cube_glsl(mut app App) {
 	mut index_buffer_desc := C.sg_buffer_desc{}
 	unsafe {C.memset(&index_buffer_desc, 0, sizeof(index_buffer_desc))}
 	index_buffer_desc.size    = indices.len * int(sizeof(u16))
-	index_buffer_desc.content = byteptr(indices.data)
+	index_buffer_desc.content = &byte(indices.data)
 	index_buffer_desc.@type   = .indexbuffer
 	index_buffer_desc.label   = "cube-indices".str
 	ibuf := gfx.make_buffer(&index_buffer_desc)
diff --git a/examples/sokol/06_obj_viewer/obj/rend.v b/examples/sokol/06_obj_viewer/obj/rend.v
index 695200ba7d..87a445304c 100644
--- a/examples/sokol/06_obj_viewer/obj/rend.v
+++ b/examples/sokol/06_obj_viewer/obj/rend.v
@@ -17,7 +17,7 @@ import stbi
 /******************************************************************************
 * Texture functions
 ******************************************************************************/
-pub fn create_texture(w int, h int, buf byteptr) C.sg_image {
+pub fn create_texture(w int, h int, buf &byte) C.sg_image {
 	sz := w * h * 4
 	mut img_desc := C.sg_image_desc{
 		width: w
@@ -70,7 +70,7 @@ pub fn (mut obj_part ObjPart) create_pipeline(in_part []int, shader C.sg_shader,
 	mut vert_buffer_desc := C.sg_buffer_desc{}
 	unsafe { C.memset(&vert_buffer_desc, 0, sizeof(vert_buffer_desc)) }
 	vert_buffer_desc.size = obj_buf.vbuf.len * int(sizeof(Vertex_pnct))
-	vert_buffer_desc.content = byteptr(obj_buf.vbuf.data)
+	vert_buffer_desc.content = &byte(obj_buf.vbuf.data)
 	vert_buffer_desc.@type = .vertexbuffer
 	vert_buffer_desc.label = 'vertbuf_part_${in_part:03}'.str
 	vbuf := gfx.make_buffer(&vert_buffer_desc)
@@ -79,7 +79,7 @@ pub fn (mut obj_part ObjPart) create_pipeline(in_part []int, shader C.sg_shader,
 	mut index_buffer_desc := C.sg_buffer_desc{}
 	unsafe {C.memset(&index_buffer_desc, 0, sizeof(index_buffer_desc))}
 	index_buffer_desc.size    = obj_buf.ibuf.len * int(sizeof(u32))
-	index_buffer_desc.content = byteptr(obj_buf.ibuf.data)
+	index_buffer_desc.content = &byte(obj_buf.ibuf.data)
 	index_buffer_desc.@type   = .indexbuffer
 	index_buffer_desc.label   = "indbuf_part_${in_part:03}".str
 	ibuf := gfx.make_buffer(&index_buffer_desc)
diff --git a/examples/sokol/06_obj_viewer/show_obj.v b/examples/sokol/06_obj_viewer/show_obj.v
index 0f80b9d7c7..ec9a55908e 100644
--- a/examples/sokol/06_obj_viewer/show_obj.v
+++ b/examples/sokol/06_obj_viewer/show_obj.v
@@ -291,7 +291,7 @@ fn main() {
 		obj_part: 0
 	}
 	
-	app.file_name            = "v.obj" // default object is the v logo
+	app.file_name            = "v.obj_" // default object is the v logo
 	app.single_material_flag = false
 	$if !android {
 		if os.args.len > 3 || (os.args.len >= 2 && os.args[1] in ['-h', '--help', '\\?', '-?']) {
diff --git a/examples/sokol/sounds/wav_player.v b/examples/sokol/sounds/wav_player.v
index 5ea90aec78..688dcc7e64 100644
--- a/examples/sokol/sounds/wav_player.v
+++ b/examples/sokol/sounds/wav_player.v
@@ -117,12 +117,13 @@ struct RIFFFormat {
 }
 
 fn read_wav_file_samples(fpath string) ?[]f32 {
+
 	mut res := []f32{}
 	// eprintln('> read_wav_file_samples: $fpath -------------------------------------------------')
 	mut bytes := os.read_bytes(fpath) ?
-	mut pbytes := byteptr(bytes.data)
+	mut pbytes := &byte(bytes.data)
 	mut offset := u32(0)
-	rh := &RIFFHeader(pbytes)
+	rh := unsafe{ &RIFFHeader(pbytes) }
 	// eprintln('rh: $rh')
 	if rh.riff != [byte(`R`), `I`, `F`, `F`]! {
 		return error('WAV should start with `RIFF`')
@@ -140,7 +141,7 @@ fn read_wav_file_samples(fpath string) ?[]f32 {
 			break
 		}
 		//
-		ch := &RIFFChunkHeader(unsafe { pbytes + offset })
+		ch := unsafe{ &RIFFChunkHeader(pbytes + offset) }
 		offset += 8 + ch.chunk_size
 		// eprintln('ch: $ch')
 		// eprintln('p: $pbytes | offset: $offset | bytes.len: $bytes.len')
@@ -175,20 +176,20 @@ fn read_wav_file_samples(fpath string) ?[]f32 {
 			}
 			// eprintln('`fmt ` chunk: $rf\n`data` chunk: $ch')
 			mut doffset := 0
-			mut dp := byteptr(&ch.chunk_data)
+			mut dp := unsafe{ &byte(&ch.chunk_data) }
 			for doffset < ch.chunk_size {
 				for c := 0; c < rf.nchannels; c++ {
 					mut x := f32(0.0)
 					mut step := 0
 					ppos := unsafe { dp + doffset }
 					if rf.bits_per_sample == 8 {
-						d8 := byteptr(ppos)
+						d8 := unsafe{ &byte(ppos) }
 						x = (f32(*d8) - 128) / 128.0
 						step = 1
 						doffset++
 					}
 					if rf.bits_per_sample == 16 {
-						d16 := &i16(ppos)
+						d16 := unsafe{ &i16(ppos) }
 						x = f32(*d16) / 32768.0
 						step = 2
 					}
@@ -206,4 +207,5 @@ fn read_wav_file_samples(fpath string) ?[]f32 {
 		}
 	}
 	return res
+
 }
diff --git a/vlib/regex/regex.v b/vlib/regex/regex.v
index d5aa48056a..6dcd6d6232 100644
--- a/vlib/regex/regex.v
+++ b/vlib/regex/regex.v
@@ -109,7 +109,7 @@ fn (re RE) get_char(in_txt string, i int) (u32,int) {
 // get_charb get a char from position i and return an u32 with the unicode code
 [inline]
 [direct_array_access]
-fn (re RE) get_charb(in_txt byteptr, i int) (u32,int) {
+fn (re RE) get_charb(in_txt &byte, i int) (u32,int) {
 	// ascii 8 bit
 	if (re.flag & f_bin) !=0 ||	unsafe {in_txt[i]} & 0x80 == 0 {
 		return u32(unsafe {in_txt[i]}), 1
@@ -1567,7 +1567,7 @@ pub mut:
 }
 
 [direct_array_access]
-pub fn (mut re RE) match_base(in_txt byteptr, in_txt_len int ) (int,int) {
+pub fn (mut re RE) match_base(in_txt &byte, in_txt_len int ) (int,int) {
 	// result status
 	mut result   := no_match_found    // function return