#include <X11/Xtrans.h>
#ifndef WIN32
#ifndef FONT_OPEN_MAX
#ifndef X_NOT_POSIX
# ifdef _POSIX_SOURCE
# include <limits.h>
# else
# define _POSIX_SOURCE
# include <limits.h>
# undef _POSIX_SOURCE
# endif
#endif
#ifndef SIZE_MAX
# ifdef ULONG_MAX
# define SIZE_MAX ULONG_MAX
# else
# define SIZE_MAX UINT_MAX
# endif
#endif
#ifndef OPEN_MAX
#if defined(SVR4) || defined(__UNIXOS2__)
#ifdef SCO325
#define OPEN_MAX sysconf(_SC_OPEN_MAX)
#else
#define OPEN_MAX 256
#endif
#else
#include <sys/param.h>
#ifndef OPEN_MAX
#ifdef __OSF1__
#define OPEN_MAX 256
#else
#ifdef NOFILE
#define OPEN_MAX NOFILE
#else
#define OPEN_MAX NOFILES_MAX
#endif
#endif
#endif
#endif
#endif
#if OPEN_MAX > 256
#define FONT_OPEN_MAX 256
#else
#define FONT_OPEN_MAX OPEN_MAX
#endif
#endif
#ifdef WORD64
#define NMSKBITS 64
#else
#define NMSKBITS 32
#endif
#define MSKCNT ((FONT_OPEN_MAX + NMSKBITS - 1) / NMSKBITS)
typedef unsigned long FdSet[MSKCNT];
typedef FdSet FdSetPtr;
#if (MSKCNT==1)
#define BITMASK(i) (1 << (i))
#define MASKIDX(i) 0
#endif
#if (MSKCNT>1)
#define BITMASK(i) (1 << ((i) & (NMSKBITS - 1)))
#define MASKIDX(i) ((i) / NMSKBITS)
#endif
#define MASKWORD(buf, i) buf[MASKIDX(i)]
#define BITSET(buf, i) MASKWORD(buf, i) |= BITMASK(i)
#define BITCLEAR(buf, i) MASKWORD(buf, i) &= ~BITMASK(i)
#define GETBIT(buf, i) (MASKWORD(buf, i) & BITMASK(i))
#if (MSKCNT==1)
#define COPYBITS(src, dst) dst[0] = src[0]
#define CLEARBITS(buf) buf[0] = 0
#define MASKANDSETBITS(dst, b1, b2) dst[0] = (b1[0] & b2[0])
#define ORBITS(dst, b1, b2) dst[0] = (b1[0] | b2[0])
#define UNSETBITS(dst, b1) (dst[0] &= ~b1[0])
#define ANYSET(src) (src[0])
#endif
#if (MSKCNT==2)
#define COPYBITS(src, dst) { dst[0] = src[0]; dst[1] = src[1]; }
#define CLEARBITS(buf) { buf[0] = 0; buf[1] = 0; }
#define MASKANDSETBITS(dst, b1, b2) {\
dst[0] = (b1[0] & b2[0]);\
dst[1] = (b1[1] & b2[1]); }
#define ORBITS(dst, b1, b2) {\
dst[0] = (b1[0] | b2[0]);\
dst[1] = (b1[1] | b2[1]); }
#define UNSETBITS(dst, b1) {\
dst[0] &= ~b1[0]; \
dst[1] &= ~b1[1]; }
#define ANYSET(src) (src[0] || src[1])
#endif
#if (MSKCNT==3)
#define COPYBITS(src, dst) { dst[0] = src[0]; dst[1] = src[1]; \
dst[2] = src[2]; }
#define CLEARBITS(buf) { buf[0] = 0; buf[1] = 0; buf[2] = 0; }
#define MASKANDSETBITS(dst, b1, b2) {\
dst[0] = (b1[0] & b2[0]);\
dst[1] = (b1[1] & b2[1]);\
dst[2] = (b1[2] & b2[2]); }
#define ORBITS(dst, b1, b2) {\
dst[0] = (b1[0] | b2[0]);\
dst[1] = (b1[1] | b2[1]);\
dst[2] = (b1[2] | b2[2]); }
#define UNSETBITS(dst, b1) {\
dst[0] &= ~b1[0]; \
dst[1] &= ~b1[1]; \
dst[2] &= ~b1[2]; }
#define ANYSET(src) (src[0] || src[1] || src[2])
#endif
#if (MSKCNT==4)
#define COPYBITS(src, dst) dst[0] = src[0]; dst[1] = src[1]; \
dst[2] = src[2]; dst[3] = src[3]
#define CLEARBITS(buf) buf[0] = 0; buf[1] = 0; buf[2] = 0; buf[3] = 0
#define MASKANDSETBITS(dst, b1, b2) \
dst[0] = (b1[0] & b2[0]);\
dst[1] = (b1[1] & b2[1]);\
dst[2] = (b1[2] & b2[2]);\
dst[3] = (b1[3] & b2[3])
#define ORBITS(dst, b1, b2) \
dst[0] = (b1[0] | b2[0]);\
dst[1] = (b1[1] | b2[1]);\
dst[2] = (b1[2] | b2[2]);\
dst[3] = (b1[3] | b2[3])
#define UNSETBITS(dst, b1) \
dst[0] &= ~b1[0]; \
dst[1] &= ~b1[1]; \
dst[2] &= ~b1[2]; \
dst[3] &= ~b1[3]
#define ANYSET(src) (src[0] || src[1] || src[2] || src[3])
#endif
#if (MSKCNT>4)
#define COPYBITS(src, dst) memmove((caddr_t) dst, (caddr_t) src,\
MSKCNT*sizeof(long))
#define CLEARBITS(buf) bzero((caddr_t) buf, MSKCNT*sizeof(long))
#define MASKANDSETBITS(dst, b1, b2) \
{ int cri; \
for (cri=MSKCNT; --cri>=0; ) \
dst[cri] = (b1[cri] & b2[cri]); }
#define ORBITS(dst, b1, b2) \
{ int cri; \
for (cri=MSKCNT; --cri>=0; ) \
dst[cri] = (b1[cri] | b2[cri]); }
#define UNSETBITS(dst, b1) \
{ int cri; \
for (cri=MSKCNT; --cri>=0; ) \
dst[cri] &= ~b1[cri]; }
#if (MSKCNT==8)
#define ANYSET(src) (src[0] || src[1] || src[2] || src[3] || \
src[4] || src[5] || src[6] || src[7])
#endif
#endif
#else
#include <X11/Xwinsock.h>
#include <X11/Xw32defs.h>
typedef fd_set FdSet;
typedef FdSet *FdSetPtr;
#define CLEARBITS(set) FD_ZERO(&set)
#define BITSET(set,s) FD_SET(s,&set)
#define BITCLEAR(set,s) FD_CLR(s,&set)
#define GETBIT(set,s) FD_ISSET(s,&set)
#define ANYSET(set) set->fd_count
#endif