+#ifndef __STDC_HOSTED__
+ #error Compiler does not define _ _STDC_HOSTED_ _ (not standard-compliant)!
+#elif __STDC_HOSTED__ == 0
+ #define _PDCLIB_HOSTED 0
+#elif __STDC_HOSTED__ == 1
+ #define _PDCLIB_HOSTED 1
+#else
+ #error Compiler does not define _ _STDC_HOSTED_ _ to 0 or 1 (not standard-compliant)!
+#endif
+
+#ifdef __cplusplus
+ #define _PDCLIB_BEGIN_EXTERN_C extern "C" {
+ #define _PDCLIB_END_EXTERN_C }
+ typedef bool _PDCLIB_bool;
+#else
+ #define _PDCLIB_BEGIN_EXTERN_C
+ #define _PDCLIB_END_EXTERN_C
+ typedef _Bool _PDCLIB_bool;
+#endif
+
+/* Clang style feature detection macros
+ * Note: It is common to #define __has_feature(0) if undefined so the presence
+ * of this macro does not guarantee it to be working
+ */
+
+#ifdef __has_feature
+ #define _PDCLIB_HAS_FEATURE(x) __has_feature(x)
+#else
+ #define _PDCLIB_HAS_FEATURE(x) (0)
+#endif
+
+#ifdef __has_extension
+ #define _PDCLIB_HAS_EXTENSION(x) __has_extension(x)
+#else
+ // Older versions of Clang use __has_feature instead
+ #define _PDCLIB_HAS_EXTENSION(x) _PDCLIB_HAS_FEATURE(x)
+#endif
+
+#ifdef __has_builtin
+ #define _PDCLIB_HAS_BUILTIN(x) __has_builtin(x)
+#else
+ #define _PDCLIB_HAS_BUILTIN(x) (0)
+#endif
+
+#ifdef __has_attribute
+ #define _PDCLIB_HAS_ATTRIBUTE(x) __has_builtin(x)
+#else
+ #define _PDCLIB_HAS_ATTRIBUTE(x) (0)
+#endif
+
+/* GCC feature detection macros */
+
+#if defined(__GNUC__)
+ #define _PDCLIB_GCC_MIN(maj, min) \
+ ((__GNUC__ > maj) || (__GNUC__ == maj && __GNUC_MINOR__ >= min))
+#else
+ #define _PDCLIB_GCC_MIN(maj, min) (0)
+#endif
+
+/* Hybrid GCC/Clang feature detection macros */
+#define _PDCLIB_GCC_FEATURE(x, gccmaj, gccmin) \
+ (_PDCLIB_HAS_FEATURE(x) || _PDCLIB_GCC_MIN(gccmin, gccmaj))
+
+#define _PDCLIB_GCC_EXTENSION(x, gccmaj, gccmin) \
+ (_PDCLIB_HAS_EXTENSION(x) || _PDCLIB_GCC_MIN(gccmin, gccmaj))
+
+#define _PDCLIB_GCC_BUILTIN(x, gccmaj, gccmin) \
+ (_PDCLIB_HAS_BUILTIN(x) || _PDCLIB_GCC_MIN(gccmin, gccmaj))
+
+#define _PDCLIB_GCC_ATTRIBUTE(x, gccmaj, gccmin) \
+ (_PDCLIB_HAS_ATTRIBUTE(x) || _PDCLIB_GCC_MIN(gccmin, gccmaj))
+
+/* Extension & Language feature detection */
+