stdlib.h

可仿真51单片机

    */
#ifdef __cplusplus
   extern "C++" inline lldiv_t div(long long __numer, long long __denom) {
       return lldiv(__numer, __denom);
   }
#endif
#endif

/*
 * ARM real-time divide functions for guaranteed performance
 */
typedef struct __sdiv32by16 { int quot, rem; } __sdiv32by16;
typedef struct __udiv32by16 { unsigned int quot, rem; } __udiv32by16;
   /* used int so that values return in separate regs, although 16-bit */
typedef struct __sdiv64by32 { int rem, quot; } __sdiv64by32;

__value_in_regs extern __sdiv32by16 __rt_sdiv32by16(
     int /*numer*/,
     short int /*denom*/);
   /*
    * Signed divide: (16-bit quot), (16-bit rem) = (32-bit) / (16-bit)
    */
__value_in_regs extern __udiv32by16 __rt_udiv32by16(
     unsigned int /*numer*/,
     unsigned short /*denom*/);
   /*
    * Unsigned divide: (16-bit quot), (16-bit rem) = (32-bit) / (16-bit)
    */
__value_in_regs extern __sdiv64by32 __rt_sdiv64by32(
     int /*numer_h*/, unsigned int /*numer_l*/,
     int /*denom*/);
   /*
    * Signed divide: (32-bit quot), (32-bit rem) = (64-bit) / (32-bit)
    */

/*
 * ARM floating-point mask/status function (for both hardfp and softfp)
 */
extern unsigned int __fp_status(unsigned int /*mask*/, unsigned int /*flags*/);
   /*
    * mask and flags are bit-fields which correspond directly to the
    * floating point status register in the FPE/FPA and fplib.  
    * __fp_status returns the current value of the status register,
    * and also sets the writable bits of the word
    * (the exception control and flag bytes) to:
    *
    *     new = (old & ~mask) ^ flags;
    */
#define __fpsr_IXE  0x100000
#define __fpsr_UFE  0x80000
#define __fpsr_OFE  0x40000
#define __fpsr_DZE  0x20000
#define __fpsr_IOE  0x10000

#define __fpsr_IXC  0x10
#define __fpsr_UFC  0x8
#define __fpsr_OFC  0x4
#define __fpsr_DZC  0x2
#define __fpsr_IOC  0x1

/*
 * Multibyte Character Functions.
 * The behaviour of the multibyte character functions is affected by the
 * LC_CTYPE category of the current locale. For a state-dependent encoding,
 * each function is placed into its initial state by a call for which its
 * character pointer argument, s, is a null pointer. Subsequent calls with s
 * as other than a null pointer cause the internal state of the function to be
 * altered as necessary. A call with s as a null pointer causes these functions
 * to return a nonzero value if encodings have state dependency, and a zero
 * otherwise. After the LC_CTYPE category is changed, the shift state of these
 * functions is indeterminate.
 */
extern int mblen(const char * /*s*/, size_t /*n*/);
   /*
    * If s is not a null pointer, the mblen function determines the number of
    * bytes compromising the multibyte character pointed to by s. Except that
    * the shift state of the mbtowc function is not affected, it is equivalent
    * to   mbtowc((wchar_t *)0, s, n);
    * Returns: If s is a null pointer, the mblen function returns a nonzero or
    *          zero value, if multibyte character encodings, respectively, do
    *          or do not have state-dependent encodings. If s is not a null
    *          pointer, the mblen function either returns a 0 (if s points to a
    *          null character), or returns the number of bytes that compromise
    *          the multibyte character (if the next n of fewer bytes form a
    *          valid multibyte character), or returns -1 (they do not form a
    *          valid multibyte character).
    */
extern int mbtowc(wchar_t * /*pwc*/, const char * /*s*/, size_t /*n*/);
   /*
    * If s is not a null pointer, the mbtowc function determines the number of
    * bytes that compromise the multibyte character pointed to by s. It then
    * determines the code for value of type wchar_t that corresponds to that
    * multibyte character. (The value of the code corresponding to the null
    * character is zero). If the multibyte character is valid and pwc is not a
    * null pointer, the mbtowc function stores the code in the object pointed
    * to by pwc. At most n bytes of the array pointed to by s will be examined.
    * Returns: If s is a null pointer, the mbtowc function returns a nonzero or
    *          zero value, if multibyte character encodings, respectively, do
    *          or do not have state-dependent encodings. If s is not a null
    *          pointer, the mbtowc function either returns a 0 (if s points to
    *          a null character), or returns the number of bytes that
    *          compromise the converted multibyte character (if the next n of
    *          fewer bytes form a valid multibyte character), or returns -1
    *          (they do not form a valid multibyte character).
    */
extern int wctomb(char * /*s*/, wchar_t /*wchar*/);
   /*
    * determines the number of bytes need to represent the multibyte character
    * corresponding to the code whose value is wchar (including any change in
    * shift state). It stores the multibyte character representation in the
    * array object pointed to by s (if s is not a null pointer). At most
    * MB_CUR_MAX characters are stored. If the value of wchar is zero, the
    * wctomb function is left in the initial shift state).
    * Returns: If s is a null pointer, the wctomb function returns a nonzero or
    *          zero value, if multibyte character encodings, respectively, do
    *          or do not have state-dependent encodings. If s is not a null
    *          pointer, the wctomb function returns a -1 if the value of wchar
    *          does not correspond to a valid multibyte character, or returns
    *          the number of bytes that compromise the multibyte character
    *          corresponding to the value of wchar.
    */

/*
 * Multibyte String Functions.
 * The behaviour of the multibyte string functions is affected by the LC_CTYPE
 * category of the current locale.
 */
extern size_t mbstowcs(wchar_t * /*pwcs*/, const char * /*s*/, size_t /*n*/);
   /*
    * converts a sequence of multibyte character that begins in the initial
    * shift state from the array pointed to by s into a sequence of
    * corresponding codes and stores not more than n codes into the array
    * pointed to by pwcs. No multibyte character that follow a null character
    * (which is converted into a code with value zero) will be examined or
    * converted. Each multibyte character is converted as if by a call to
    * mbtowc function, except that the shift state of the mbtowc function is
    * not affected. No more than n elements will be modified in the array
    * pointed to by pwcs. If copying takes place between objects that overlap,
    * the behaviour is undefined.
    * Returns: If an invalid multibyte character is encountered, the mbstowcs
    *          function returns (size_t)-1. Otherwise, the mbstowcs function
    *          returns the number of array elements modified, not including
    *          a terminating zero code, if any.
    */
extern size_t wcstombs(char * /*s*/, const wchar_t * /*pwcs*/, size_t /*n*/);
   /*
    * converts a sequence of codes that correspond to multibyte characters
    * from the array pointed to by pwcs into a sequence of multibyte
    * characters that begins in the initial shift state and stores these
    * multibyte characters into the array pointed to by s, stopping if a
    * multibyte character would exceed the limit of n total bytes or if a
    * null character is stored. Each code is converted as if by a call to the
    * wctomb function, except that the shift state of the wctomb function is
    * not affected. No more than n elements will be modified in the array
    * pointed to by s. If copying takes place between objects that overlap,
    * the behaviour is undefined.
    * Returns: If a code is encountered that does not correspond to a valid
    *          multibyte character, the wcstombs function returns (size_t)-1.
    *          Otherwise, the wcstombs function returns the number of bytes
    *          modified, not including a terminating null character, if any.
    */

extern void __use_realtime_heap(void);
extern void __use_realtime_division(void);
extern void __use_two_region_memory(void);
extern void __use_no_heap(void);
extern void __use_no_heap_region(void);

extern char const *__C_library_version_string(void);
extern int __C_library_version_number(void);

    #ifdef __cplusplus
      }  /* extern "C" */
    #endif

    #ifdef __EDG_RUNTIME_USES_NAMESPACES
      }  /* namespace std */
    #endif
  #endif /* __STDLIB_DECLS */

  #ifdef __EDG_RUNTIME_USES_NAMESPACES
    #ifndef __STDLIB_NO_EXPORTS
      #ifndef __STRICT_ANSI__
        using std::atoll;       
        using std::strtoll;
        using std::strtoull;
        using std::lldiv_t;
      #endif
      using std::div_t;
      using std::ldiv_t;
      using std::atof;
      using std::atoi;
      using std::atol;
      using std::strtod;
      using std::strtol;
      using std::strtoul;
      using std::rand;
      using std::srand;
      using std::calloc;
      using std::free;
      using std::malloc;
      using std::realloc;
      using std::__heapprt;
      using std::__heapstats;
      using std::__heapvalid;
      using std::abort;
      using std::atexit;
      using std::exit;
      using std::getenv;
      using std::system;
      using std::bsearch;
      using std::qsort;
      using std::abs;
      using std::div;
      using std::labs;
      using std::ldiv;
      #ifndef __STRICT_ANSI__
        using std::llabs;
        using std::lldiv;
      #endif
      using std::__sdiv32by16;
      using std::__udiv32by16;
      using std::__sdiv64by32;
      using std::__rt_sdiv32by16;
      using std::__rt_udiv32by16;
      using std::__rt_sdiv64by32;
      using std::__fp_status;
      using std::mblen;
      using std::mbtowc;
      using std::wctomb;
      using std::mbstowcs;
      using std::wcstombs;
      using std::__use_realtime_heap;
      using std::__use_two_region_memory;
      using std::__C_library_version_string;
      using std::__C_library_version_number;
      using std::size_t;
    #endif
  #endif
#endif
/* end of stdlib.h */