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+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+/*
+******************************************************************************
+*
+* Copyright (C) 1997-2012, International Business Machines
+* Corporation and others. All Rights Reserved.
+*
+******************************************************************************
+*
+* FILE NAME : ptypes.h
+*
+* Date Name Description
+* 05/13/98 nos Creation (content moved here from ptypes.h).
+* 03/02/99 stephen Added AS400 support.
+* 03/30/99 stephen Added Linux support.
+* 04/13/99 stephen Reworked for autoconf.
+* 09/18/08 srl Moved basic types back to ptypes.h from platform.h
+******************************************************************************
+*/
+
+/**
+ * \file
+ * \brief C API: Definitions of integer types of various widths
+ */
+
+#ifndef _PTYPES_H
+#define _PTYPES_H
+
+/**
+ * \def __STDC_LIMIT_MACROS
+ * According to the Linux stdint.h, the ISO C99 standard specifies that in C++ implementations
+ * macros like INT32_MIN and UINTPTR_MAX should only be defined if explicitly requested.
+ * We need to define __STDC_LIMIT_MACROS before including stdint.h in C++ code
+ * that uses such limit macros.
+ * @internal
+ */
+#ifndef __STDC_LIMIT_MACROS
+#define __STDC_LIMIT_MACROS
+#endif
+
+/* NULL, size_t, wchar_t */
+#include <stddef.h>
+
+/*
+ * If all compilers provided all of the C99 headers and types,
+ * we would just unconditionally #include <stdint.h> here
+ * and not need any of the stuff after including platform.h.
+ */
+
+/* Find out if we have stdint.h etc. */
+#include <unicode/platform.h>
+
+/*===========================================================================*/
+/* Generic data types */
+/*===========================================================================*/
+
+/* If your platform does not have the <stdint.h> header, you may
+ need to edit the typedefs in the #else section below.
+ Use #if...#else...#endif with predefined compiler macros if possible. */
+#if U_HAVE_STDINT_H
+
+/*
+ * We mostly need <stdint.h> (which defines the standard integer types) but not <inttypes.h>.
+ * <inttypes.h> includes <stdint.h> and adds the printf/scanf helpers PRId32, SCNx16 etc.
+ * which we almost never use, plus stuff like imaxabs() which we never use.
+ */
+#include <stdint.h>
+
+#if U_PLATFORM == U_PF_OS390
+/* The features header is needed to get (u)int64_t sometimes. */
+#include <features.h>
+/* z/OS has <stdint.h>, but some versions are missing uint8_t (APAR PK62248). */
+#if !defined(__uint8_t)
+#define __uint8_t 1
+typedef unsigned char uint8_t;
+#endif
+#endif /* U_PLATFORM == U_PF_OS390 */
+
+#elif U_HAVE_INTTYPES_H
+
+# include <inttypes.h>
+
+#else /* neither U_HAVE_STDINT_H nor U_HAVE_INTTYPES_H */
+
+#if ! U_HAVE_INT8_T
+typedef signed char int8_t;
+#endif
+
+#if ! U_HAVE_UINT8_T
+typedef unsigned char uint8_t;
+#endif
+
+#if ! U_HAVE_INT16_T
+typedef signed short int16_t;
+#endif
+
+#if ! U_HAVE_UINT16_T
+typedef unsigned short uint16_t;
+#endif
+
+#if ! U_HAVE_INT32_T
+typedef signed int int32_t;
+#endif
+
+#if ! U_HAVE_UINT32_T
+typedef unsigned int uint32_t;
+#endif
+
+#if ! U_HAVE_INT64_T
+#ifdef _MSC_VER
+ typedef signed __int64 int64_t;
+#else
+ typedef signed long long int64_t;
+#endif
+#endif
+
+#if ! U_HAVE_UINT64_T
+#ifdef _MSC_VER
+ typedef unsigned __int64 uint64_t;
+#else
+ typedef unsigned long long uint64_t;
+#endif
+#endif
+
+#endif /* U_HAVE_STDINT_H / U_HAVE_INTTYPES_H */
+
+#endif /* _PTYPES_H */