diff --git a/include/cglm/structs/vec4.h b/include/cglm/structs/vec4.h
new file mode 100644
index 0000000..7290c35
--- /dev/null
+++ b/include/cglm/structs/vec4.h
@@ -0,0 +1,282 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+#ifndef cglm_vec4s_h
+#define cglm_vec4s_h
+
+#include "common.h"
+#include "vec4-ext.h"
+#include "util.h"
+
+#define GLMS_VEC4_ONE_INIT   {1.0f, 1.0f, 1.0f, 1.0f}
+#define GLMS_VEC4_BLACK_INIT {0.0f, 0.0f, 0.0f, 1.0f}
+#define GLMS_VEC4_ZERO_INIT  {0.0f, 0.0f, 0.0f, 0.0f}
+
+#define GLMS_VEC4_ONE        ((vec4s)GLM_VEC4_ONE_INIT)
+#define GLMS_VEC4_BLACK      ((vec4s)GLM_VEC4_BLACK_INIT)
+#define GLMS_VEC4_ZERO       ((vec4s)GLM_VEC4_ZERO_INIT)
+
+CGLM_INLINE
+vec4s
+glms_vec4(vec3s v3, float last)
+{
+  vec4s r;
+  glm_vec4(v3.raw, last, r.raw);
+  return r;
+}
+
+CGLM_INLINE
+vec3s
+glms_vec4_copy3(vec4s v)
+{
+  vec3s r;
+  glm_vec4_copy3(v.raw, r.raw);
+  return r;
+}
+
+CGLM_INLINE
+vec4s
+glms_vec4_copy(vec4s v)
+{
+  vec4s r;
+  glm_vec4_copy(v.raw, r.raw);
+  return r;
+}
+
+CGLM_INLINE
+vec4s
+glms_vec4_ucopy(vec4s v)
+{
+  vec4s r;
+  glm_vec4_ucopy(v.raw, r.raw);
+  return r;
+}
+
+
+CGLM_INLINE
+float
+glms_vec4_dot(vec4s a, vec4s b)
+{
+  return glm_vec4_dot(a.raw, b.raw);
+}
+
+CGLM_INLINE
+float
+glms_vec4_norm2(vec4s v)
+{
+  return glm_vec4_norm2(v.raw);
+}
+
+CGLM_INLINE
+float
+glms_vec4_norm(vec4s v)
+{
+  return glm_vec4_norm(v.raw);
+}
+
+CGLM_INLINE
+vec4s
+glms_vec4_add(vec4s a, vec4s b)
+{
+  vec4s r;
+  glm_vec4_add(a.raw, b.raw, r.raw);
+  return r;
+}
+
+CGLM_INLINE
+vec4s
+glms_vec4_adds(vec4s v, float s)
+{
+  vec4s r;
+  glm_vec4_adds(v.raw s, r.raw);
+  return r;
+}
+
+CGLM_INLINE
+vec4s
+glms_vec4_sub(vec4s a, vec4s b)
+{
+  vec4s r;
+  glm_vec4_sub(a.raw, b.raw, r.raw);
+  return r;
+}
+
+CGLM_INLINE
+vec4s
+glms_vec4_subs(vec4s v, float s)
+{
+  vec4s r;
+  glm_vec4_subs(v.raw, s, r.raw);
+  return r;
+}
+
+CGLM_INLINE
+vec4s
+glms_vec4_mul(vec4s a, vec4s b)
+{
+  vec4s r;
+  glm_vec4_mul(a.raw, b.raw, r.raw);
+  return r;
+}
+
+CGLM_INLINE
+vec4s
+glms_vec4_scale(vec4s v, float s)
+{
+  vec4s r;
+  glm_vec4_scale(v.raw, s, r.raw);
+  return r;
+}
+
+CGLM_INLINE
+vec4s
+glms_vec4_scale_as(vec4s v, float s)
+{
+  vec4s r;
+  glm_vec4_scale_as(v.raw, s, r.raw);
+  return r;
+}
+
+CGLM_INLINE
+vec4s
+glms_vec4_div(vec4s a, vec4s b)
+{
+  vec4s r;
+  glm_vec4_div(a.raw, b.raw, r.raw);
+  return r;
+}
+
+CGLM_INLINE
+vec4s
+glms_vec4_divs(vec4s v, float s)
+{
+  vec4s r;
+  glm_vec4_divs(v.raw, s, r.raw);
+  return r;
+}
+
+CGLM_INLINE
+vec4s
+glms_vec4_addadd(vec4s a, vec4s b)
+{
+  vec4s r;
+  glm_vec4_addadd(a.raw, b.raw, r.raw);
+  return r;
+}
+
+CGLM_INLINE
+vec4s
+glms_vec4_subadd(vec4s a, vec4s b)
+{
+  vec4s r;
+  glm_vec4_subadd(a.raw, b.raw, r.raw);
+  return r;
+}
+
+CGLM_INLINE
+vec4s
+glms_vec4_muladd(vec4s a, vec4s b)
+{
+  vec4s r;
+  glm_vec4_muladd(a.raw, b.raw, r.raw);
+  return r;
+}
+
+CGLM_INLINE
+vec4s
+glms_vec4_muladds(vec4s a, float s)
+{
+  vec4s r;
+  glm_vec4_muladds(a.raw, s, r.raw);
+  return r;
+}
+
+CGLM_INLINE
+vec4s
+glms_vec4_maxadd(vec4s a, vec4s b)
+{
+  vec4s r;
+  glm_vec4_maxadd(a.raw, b.raw, r.raw);
+  return r;
+}
+
+CGLM_INLINE
+vec4s
+glms_vec4_minadd(vec4s a, vec4s b)
+{
+  vec4s r;
+  glm_vec4_minadd(a.raw, b.raw, r.raw);
+  return r;
+}
+
+CGLM_INLINE
+vec4s
+glms_vec4_negate(vec4s v)
+{
+  glm_vec4_negate(v.raw);
+  return v;
+}
+
+CGLM_INLINE
+vec4s
+glms_vec4_inv(vec4s v)
+{
+  glm_vec4_inv(v.raw);
+  return r;
+}
+
+CGLM_INLINE
+vec4s
+glms_vec4_normalize(vec4s v)
+{
+  glm_vec4_normalize(v.raw);
+  return v;
+}
+
+CGLM_INLINE
+float
+glms_vec4_distance(vec4s a, vec4s b)
+{
+  return glm_vec4_distance(a.raw, b.raw);
+}
+
+CGLM_INLINE
+vec4s
+glms_vec4_maxv(vec4s a, vec4s b)
+{
+  vec4s r;
+  glm_vec4_maxv(a.raw, b.raw, r.raw);
+  return r;
+}
+
+CGLM_INLINE
+vec4s
+glms_vec4_minv(vec4s a, vec4s b)
+{
+  vec4s r;
+  glm_vec4_minv(a.raw, b.raw, r.raw);
+  return r;
+}
+
+CGLM_INLINE
+vec4s
+glms_vec4_clamp(vec4s v, float minVal, float maxVal)
+{
+  glm_vec4_clamp(v.raw, minVal, maxVal);
+  return v;
+}
+
+CGLM_INLINE
+vec4s
+glms_vec4_lerp(vec4s from, vec4s to, float t)
+{
+  vec4s r;
+  glm_vec4_lerp(from.raw, to.raw, t, r.raw);
+  return r;
+}
+
+#endif /* cglm_vec4s_h */
diff --git a/include/cglm/types.h b/include/cglm/types.h
index 1190b73..29703df 100644
--- a/include/cglm/types.h
+++ b/include/cglm/types.h
@@ -32,6 +32,7 @@
 #  define CGLM_ALIGN_MAT CGLM_ALIGN(16)
 #endif
 
+// array types
 typedef float                   vec2[2];
 typedef float                   vec3[3];
 typedef int                    ivec3[3];
@@ -45,6 +46,51 @@ typedef CGLM_ALIGN_IF(32) vec4  mat4[4];
 typedef CGLM_ALIGN_IF(16) vec4  mat4[4];
 #endif
 
+// struct types
+typedef union CGLM_ALIGN_IF(8) vec2s {
+#ifndef CGLM_NO_ANONYMOUS_STRUCT
+  struct {
+    float x;
+    float y;
+  };
+#endif
+  vec2 raw;
+} vec2s;
+
+typedef union CGLM_ALIGN_IF(8) vec3s {
+#ifndef CGLM_NO_ANONYMOUS_STRUCT
+  struct {
+    float x;
+    float y;
+    float z;
+  };
+#endif
+  vec3 raw;
+} vec3s;
+
+typedef union CGLM_ALIGN_IF(8) ivec3s {
+#ifndef CGLM_NO_ANONYMOUS_STRUCT
+  struct {
+    int x;
+    int y;
+    int z;
+  };
+#endif
+  ivec3 raw;
+} ivec3s;
+
+typedef union CGLM_ALIGN_IF(16) vec4s {
+#ifndef CGLM_NO_ANONYMOUS_STRUCT
+  struct {
+    float x;
+    float y;
+    float z;
+    float w;
+  };
+#endif
+  vec4 raw;
+} vec4s;
+
 #define GLM_E         2.71828182845904523536028747135266250   /* e           */
 #define GLM_LOG2E     1.44269504088896340735992468100189214   /* log2(e)     */
 #define GLM_LOG10E    0.434294481903251827651128918916605082  /* log10(e)    */