include/win32config.h

#define HAVE_CTYPE_H
#define HAVE_STDLIB_H
#define HAVE_MALLOC_H
#define HAVE_TIME_H
#define HAVE_FCNTL_H

#include <io.h>

#ifdef INCLUDE_WINSOCK
#include <winsock2.h>

#define EWOULDBLOCK             WSAEWOULDBLOCK
#define EINPROGRESS             WSAEINPROGRESS
#define EALREADY                WSAEALREADY
#define ENOTSOCK                WSAENOTSOCK
#define EDESTADDRREQ            WSAEDESTADDRREQ
#define EMSGSIZE                WSAEMSGSIZE
#define EPROTOTYPE              WSAEPROTOTYPE
#define ENOPROTOOPT             WSAENOPROTOOPT
#define EPROTONOSUPPORT         WSAEPROTONOSUPPORT
#define ESOCKTNOSUPPORT         WSAESOCKTNOSUPPORT
#define EOPNOTSUPP              WSAEOPNOTSUPP
#define EPFNOSUPPORT            WSAEPFNOSUPPORT
#define EAFNOSUPPORT            WSAEAFNOSUPPORT
#define EADDRINUSE              WSAEADDRINUSE
#define EADDRNOTAVAIL           WSAEADDRNOTAVAIL
#define ENETDOWN                WSAENETDOWN
#define ENETUNREACH             WSAENETUNREACH
#define ENETRESET               WSAENETRESET
#define ECONNABORTED            WSAECONNABORTED
#define ECONNRESET              WSAECONNRESET
#define ENOBUFS                 WSAENOBUFS
#define EISCONN                 WSAEISCONN
#define ENOTCONN                WSAENOTCONN
#define ESHUTDOWN               WSAESHUTDOWN
#define ETOOMANYREFS            WSAETOOMANYREFS
#define ETIMEDOUT               WSAETIMEDOUT
#define ECONNREFUSED            WSAECONNREFUSED
#define ELOOP                   WSAELOOP
#define ENAMETOOLONG            WSAENAMETOOLONG
#define EHOSTDOWN               WSAEHOSTDOWN
#define EHOSTUNREACH            WSAEHOSTUNREACH
#define ENOTEMPTY               WSAENOTEMPTY
#define EPROCLIM                WSAEPROCLIM
#define EUSERS                  WSAEUSERS
#define EDQUOT                  WSAEDQUOT
#define ESTALE                  WSAESTALE
#define EREMOTE                 WSAEREMOTE
#endif /* INCLUDE_WINSOCK */

#define HAVE_ISINF                                                              #define HAVE_ISNAN     

#include <math.h>
static int isinf (double d) {
    int expon = 0;
    double val = frexp (d, &expon);
    if (expon == 1025) {
        if (val == 0.5) {
            return 1;
        } else if (val == -0.5) {
            return -1;
        } else {
            return 0;
        }
    } else {
        return 0;
    }
}
static int isnan (double d) {
    int expon = 0;
    double val = frexp (d, &expon);
    if (expon == 1025) {
        if (val == 0.5) {
            return 0;
        } else if (val == -0.5) {
            return 0;
        } else {
            return 1;
        }
    } else {
        return 0;
    }
}