+/* If PDCLib would call its error number "errno" directly, there would be no way
+ to catch its value from underlying system calls that also use it (i.e., POSIX
+ operating systems). That is why we use an internal name, providing a means to
+ access it through <errno.h>.
+*/
+extern int _PDCLIB_errno;
+
+/* A mechanism for delayed evaluation. (Not sure if this is really necessary, so
+ no detailed documentation on the "why".)
+*/
+int * _PDCLIB_errno_func( void ) _PDCLIB_nothrow;
+
+/* -------------------------------------------------------------------------- */
+/* locale / wchar / uchar */
+/* -------------------------------------------------------------------------- */
+
+#ifndef __cplusplus
+typedef _PDCLIB_int16_t _PDCLIB_char16_t;
+typedef _PDCLIB_int32_t _PDCLIB_char32_t;
+#else
+typedef char16_t _PDCLIB_char16_t;
+typedef char32_t _PDCLIB_char32_t;
+#endif
+
+typedef struct _PDCLIB_mbstate {
+ union {
+ /* Is this the best way to represent this? Is this big enough? */
+ _PDCLIB_uint64_t _St64[15];
+ _PDCLIB_uint32_t _St32[31];
+ _PDCLIB_uint16_t _St16[62];
+ unsigned char _StUC[124];
+ signed char _StSC[124];
+ char _StC [124];
+ };
+
+ union {
+ /* c16/related functions: Surrogate storage
+ *
+ * If zero, no surrogate pending. If nonzero, surrogate.
+ */
+ _PDCLIB_uint16_t _Surrogate;
+
+ /* Reserved for potential mbtoutf8/etc functions */
+ unsigned char _U8[4];
+ };
+} _PDCLIB_mbstate_t;
+
+typedef struct _PDCLIB_charcodec *_PDCLIB_charcodec_t;
+typedef struct _PDCLIB_locale *_PDCLIB_locale_t;
+typedef struct lconv _PDCLIB_lconv_t;
+
+_PDCLIB_size_t _PDCLIB_mb_cur_max( void );
+
+/* -------------------------------------------------------------------------- */
+/* stdio */
+/* -------------------------------------------------------------------------- */
+
+/* Position / status structure for getpos() / fsetpos(). */
+typedef struct _PDCLIB_fpos
+{
+ _PDCLIB_int_fast64_t offset; /* File position offset */
+ _PDCLIB_mbstate_t mbs; /* Multibyte parsing state */
+} _PDCLIB_fpos_t;
+
+typedef struct _PDCLIB_fileops _PDCLIB_fileops_t;
+typedef union _PDCLIB_fd _PDCLIB_fd_t;
+typedef struct _PDCLIB_file _PDCLIB_file_t; // Rename to _PDCLIB_FILE?
+
+/* Status structure required by _PDCLIB_print(). */
+struct _PDCLIB_status_t
+{
+ int base; /* base to which the value shall be converted */
+ _PDCLIB_int_fast32_t flags; /* flags and length modifiers */
+ unsigned n; /* print: maximum characters to be written */
+ /* scan: number matched conversion specifiers */
+ unsigned i; /* number of characters read/written */
+ unsigned current;/* chars read/written in the CURRENT conversion */
+ char * s; /* *sprintf(): target buffer */
+ /* *sscanf(): source string */
+ unsigned width; /* specified field width */
+ int prec; /* specified field precision */
+ _PDCLIB_file_t * stream; /* *fprintf() / *fscanf() stream */
+ _PDCLIB_va_list arg; /* argument stack */
+};
+
+#endif