github.com/afumu/libc@v0.0.6/musl/include/values.h (about)

     1  #ifndef _VALUES_H
     2  #define _VALUES_H
     3  
     4  #include <limits.h>
     5  
     6  #define CHARBITS   (sizeof(char)   * 8)
     7  #define SHORTBITS  (sizeof(short)  * 8)
     8  #define INTBITS    (sizeof(int)    * 8)
     9  #define LONGBITS   (sizeof(long)   * 8)
    10  #define PTRBITS    (sizeof(char *) * 8)
    11  #define DOUBLEBITS (sizeof(double) * 8)
    12  #define FLOATBITS  (sizeof(float)  * 8)
    13  
    14  #define MINSHORT SHRT_MIN
    15  #define MININT   INT_MIN
    16  #define MINLONG  LONG_MIN
    17  
    18  #define MAXSHORT SHRT_MAX
    19  #define MAXINT   INT_MAX
    20  #define MAXLONG  LONG_MAX
    21  
    22  #define HIBITS   MINSHORT
    23  #define HIBITL   MINLONG
    24  
    25  #include <float.h>
    26  
    27  #define MAXDOUBLE DBL_MAX
    28  #undef  MAXFLOAT
    29  #define MAXFLOAT  FLT_MAX
    30  #define MINDOUBLE DBL_MIN
    31  #define MINFLOAT  FLT_MIN
    32  #define DMINEXP   DBL_MIN_EXP
    33  #define FMINEXP   FLT_MIN_EXP
    34  #define DMAXEXP   DBL_MAX_EXP
    35  #define FMAXEXP   FLT_MAX_EXP
    36  
    37  #define BITSPERBYTE CHAR_BIT
    38  
    39  #endif