diff --git a/Cesium.Compiler/stdlib/stdint.h b/Cesium.Compiler/stdlib/stdint.h
index 2691dff4..89ac5a41 100644
--- a/Cesium.Compiler/stdlib/stdint.h
+++ b/Cesium.Compiler/stdlib/stdint.h
@@ -38,3 +38,33 @@
 #define UINT_FAST16_MAX  UINT32_MAX
 #define UINT_FAST32_MAX  UINT32_MAX
 #define UINT_FAST64_MAX  UINT64_MAX
+
+typedef signed char        int8_t;
+typedef short              int16_t;
+typedef int                int32_t;
+typedef long long          int64_t;
+typedef unsigned char      uint8_t;
+typedef unsigned short     uint16_t;
+typedef unsigned int       uint32_t;
+typedef unsigned long long uint64_t;
+
+typedef signed char        int_least8_t;
+typedef short              int_least16_t;
+typedef int                int_least32_t;
+typedef long long          int_least64_t;
+typedef unsigned char      uint_least8_t;
+typedef unsigned short     uint_least16_t;
+typedef unsigned int       uint_least32_t;
+typedef unsigned long long uint_least64_t;
+
+typedef signed char        int_fast8_t;
+typedef int                int_fast16_t;
+typedef int                int_fast32_t;
+typedef long long          int_fast64_t;
+typedef unsigned char      uint_fast8_t;
+typedef unsigned int       uint_fast16_t;
+typedef unsigned int       uint_fast32_t;
+typedef unsigned long long uint_fast64_t;
+
+typedef long long          intmax_t;
+typedef unsigned long long uintmax_t;
diff --git a/Cesium.IntegrationTests/stdlib/types/integer.c b/Cesium.IntegrationTests/stdlib/types/integer.c
new file mode 100644
index 00000000..2701f547
--- /dev/null
+++ b/Cesium.IntegrationTests/stdlib/types/integer.c
@@ -0,0 +1,40 @@
+#include <inttypes.h>
+#include <stdio.h>
+
+int main(void)
+{
+    printf("%zu\n", sizeof(int8_t));
+    printf("%zu\n", sizeof(int16_t));
+    printf("%zu\n", sizeof(int32_t));
+    printf("%zu\n", sizeof(int64_t));
+
+    printf("%zu\n", sizeof(int_fast8_t));
+    printf("%zu\n", sizeof(int_fast16_t));
+    printf("%zu\n", sizeof(int_fast32_t));
+    printf("%zu\n", sizeof(int_fast64_t));
+
+    printf("%zu\n", sizeof(int_least8_t));
+    printf("%zu\n", sizeof(int_least16_t));
+    printf("%zu\n", sizeof(int_least32_t));
+    printf("%zu\n", sizeof(int_least64_t));
+
+    printf("%zu\n", sizeof(uint8_t));
+    printf("%zu\n", sizeof(uint16_t));
+    printf("%zu\n", sizeof(uint32_t));
+    printf("%zu\n", sizeof(uint64_t));
+
+    printf("%zu\n", sizeof(uint_fast8_t));
+    printf("%zu\n", sizeof(uint_fast16_t));
+    printf("%zu\n", sizeof(uint_fast32_t));
+    printf("%zu\n", sizeof(uint_fast64_t));
+
+    printf("%zu\n", sizeof(uint_least8_t));
+    printf("%zu\n", sizeof(uint_least16_t));
+    printf("%zu\n", sizeof(uint_least32_t));
+    printf("%zu\n", sizeof(uint_least64_t));
+
+    printf("%zu\n", sizeof(intmax_t));
+    printf("%zu\n", sizeof(intptr_t));
+    printf("%zu\n", sizeof(uintmax_t));
+    printf("%zu\n", sizeof(uintptr_t));
+}