diff --git a/limits.h b/limits.h
new file mode 100644
index 0000000..71e57de
--- /dev/null
+++ b/limits.h
@@ -0,0 +1,34 @@
+#ifndef _LIMITS_H
+#define _LIMITS_H 1
+
+#define CHAR_BIT __CHAR_BIT__
+
+#define SCHAR_MAX __SCHAR_MAX__
+#define SCHAR_MIN (-SCHAR_MAX - 1)
+
+#define UCHAR_MAX ((unsigned char)SCHAR_MAX * 2 + 1)
+
+#define CHAR_MAX (((char)-1) > 0 ? UCHAR_MAX : SCHAR_MAX)
+#define CHAR_MIN (((char)-1) > 0 ? 0 : SCHAR_MIN)
+
+#define SHRT_MAX __SHRT_MAX__
+#define SHRT_MIN (-SHRT_MAX - 1)
+
+#define USHRT_MAX ((unsigned short)SHRT_MAX * 2 + 1)
+
+#define INT_MAX __INT_MAX__
+#define INT_MIN (-INT_MAX - 1)
+
+#define UINT_MAX ((unsigned int)INT_MAX * 2 + 1)
+
+#define LONG_MAX __LONG_MAX__
+#define LONG_MIN (-LONG_MAX - 1)
+
+#define ULONG_MAX ((unsigned long)LONG_MAX * 2 + 1)
+
+#define LLONG_MAX __LONG_LONG_MAX__
+#define LLONG_MIN (-LLONG_MAX - 1)
+
+#define ULLONG_MAX ((unsigned long long)LLONG_MAX * 2 + 1)
+
+#endif