NCURSES Programming HOWTO一书的中的NCURSES库(版本5.3)的源代码

				# Local configure fragment for ncurses/sysdeps/unix/sysv/linux.								nc_given_srcdir=${srcdir}/ncurses								NCURSES_MAJOR="`egrep '^NCURSES_MAJOR[ 	]*=' $nc_given_srcdir/dist.mk | sed -e 's/^[^0-9]*//'`"				NCURSES_MINOR="`egrep '^NCURSES_MINOR[ 	]*=' $nc_given_srcdir/dist.mk | sed -e 's/^[^0-9]*//'`"				NCURSES_PATCH="`egrep '^NCURSES_PATCH[ 	]*=' $nc_given_srcdir/dist.mk | sed -e 's/^[^0-9]*//'`"				cf_cv_abi_version=${NCURSES_MAJOR}				cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}								# Default to char				if [ x${cf_cv_type_of_bool} = x ]				then				  cf_cv_type_of_bool=char				fi								rm -f ncurses/MKterm.h.awk \					ncurses/codes.c \					ncurses/comp_captab.c \					ncurses/confdefs.h \					ncurses/config.log \					ncurses/curses.h \					ncurses/expanded.c \					ncurses/fallback.c \					ncurses/hashsize.h \					ncurses/init_keytry.h \					ncurses/lib_gen.c \					ncurses/lib_keyname.c \					ncurses/names.c \					ncurses/ncurses_cfg.h \					ncurses/nomacros.h \					ncurses/parametrized.h \					ncurses/term.h \					ncurses/termcap.h \					ncurses/terminfo.5 \					ncurses/termsort.c \					ncurses/unctrl.c \					ncurses/unctrl.h								# Protect against being on the right side of a sed subst in config.status.				sed 's/%@/@@/; s/@%/@@/; s/%g$/@g/; /@g$/s/[\\&%]/\\&/g;				 s/@@/%@/; s/@@/@%/; s/@g$/%g/' > conftest.subs 												s%@DEFS@%-DHAVE_CONFIG_H%g				s%@NCURSES_MAJOR@%$NCURSES_MAJOR%g				s%@NCURSES_MINOR@%$NCURSES_MINOR%g				s%@NCURSES_PATCH@%$NCURSES_PATCH%g				s%@NCURSES_CONST@%%g				s%@NCURSES_XNAMES@%1%g				s%@OSPEED_TYPE@%speed_t%g				s%@OSPEED_INCLUDES@%#include %g				s%@cf_cv_rel_version@%$cf_cv_rel_version%g				s%@cf_cv_abi_version@%$cf_cv_abi_version%g				s%@cf_cv_builtin_bool@%1%g				s%@cf_cv_type_of_bool@%$cf_cv_type_of_bool%g				s%@cf_cv_shift_limit@%32%g				s%@cf_cv_widec_shift@%8%g				s%@cf_cv_typeof_chtype@%long%g				s%@cf_cv_1UL@%1UL%g				s%@cf_cv_cc_bool_type@%0%g								EOF								# Split the substitutions into bite-sized pieces for seds with				# small command number limits, like on Digital OSF/1 and HP-UX.				nc_max_sed_cmds=90 # Maximum number of lines to put in a sed script.				nc_file=1 # Number of current file.				nc_beg=1 # First line for current file.				nc_end=$nc_max_sed_cmds # Line after last line for current file.				nc_more_lines=:				nc_sed_cmds=""				while $nc_more_lines; do				  if test $nc_beg -gt 1; then				    sed "1,${nc_beg}d; ${nc_end}q" conftest.subs > conftest.s$nc_file				  else				    sed "${nc_end}q" conftest.subs > conftest.s$nc_file				  fi				  if test ! -s conftest.s$nc_file; then				    nc_more_lines=false				    rm -f conftest.s$nc_file				  else				    if test -z "$nc_sed_cmds"; then				      nc_sed_cmds="sed -f conftest.s$nc_file"				    else				      nc_sed_cmds="$nc_sed_cmds | sed -f conftest.s$nc_file"				    fi				    nc_file=`expr $nc_file + 1`				    nc_beg=$nc_end				    nc_end=`expr $nc_end + $nc_max_sed_cmds`				  fi				done				if test -z "$nc_sed_cmds"; then				  nc_sed_cmds=cat				fi								NC_CONFIG_FILES=${NC_CONFIG_FILES-"ncurses/MKterm.h.awk 	ncurses/curses.h 	ncurses/termcap.h 	ncurses/unctrl.h"}				for nc_file in .. $NC_CONFIG_FILES; do if test "x$nc_file" != x..; then				  # Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in".				  case "$nc_file" in				  *:*) nc_file_in=`echo "$nc_file"|sed 's%[^:]*:%%'`				       nc_file=`echo "$nc_file"|sed 's%:.*%%'` ;;				  *) nc_file_in=`echo "${nc_file}" | sed 's%ncurses%include%'`.in ;;				  esac								  # Adjust a relative srcdir, top_srcdir, and INSTALL for subdirectories.								  # Remove last slash and all that follows it.  Not all systems have dirname.				  nc_dir=`echo $nc_file|sed 's%/[^/][^/]*$%%'`				  if test "$nc_dir" != "$nc_file" && test "$nc_dir" != .; then				    # The file is in a subdirectory.				    test ! -d "$nc_dir" && mkdir "$nc_dir"				    nc_dir_suffix="/`echo $nc_dir|sed 's%^\./%%'`"				    # A "../" for each directory in $nc_dir_suffix.				    nc_dots=`echo $nc_dir_suffix|sed 's%/[^/]*%../%g'`				  else				    nc_dir_suffix= nc_dots=				  fi								  case "$nc_given_srcdir" in				  .)  nc_srcdir=.				      if test -z "$nc_dots"; then nc_top_srcdir=.				      else nc_top_srcdir=`echo $nc_dots|sed 's%/$%%'`; fi ;;				  /*) nc_srcdir="$nc_given_srcdir$nc_dir_suffix"; nc_top_srcdir="$nc_given_srcdir" ;;				  *) # Relative path.				    nc_srcdir="$nc_dots$nc_given_srcdir$nc_dir_suffix"				    nc_top_srcdir="$nc_dots$nc_given_srcdir" ;;				  esac								  case "$ac_given_INSTALL" in				  [/$]*) NC_INSTALL="$ac_given_INSTALL" ;;				  *) NC_INSTALL="$nc_dots$ac_given_INSTALL" ;;				  esac								  echo creating "$nc_file"				  rm -f "$nc_file"				  configure_input="Generated automatically from `echo $nc_file_in|sed 's%.*/%%'` by configure."				  case "$nc_file" in				  *Makefile*) nc_comsub="1i\\				# $configure_input" ;;				  *) nc_comsub= ;;				  esac								  nc_file_inputs=`echo $nc_file_in|sed -e "s%^%$nc_given_srcdir/%" -e "s%:% $nc_given_srcdir/%g"`				  sed -e "$nc_comsub				s%@configure_input@%$configure_input%g				s%@nc_srcdir@%$nc_srcdir%g				s%@nc_top_srcdir@%$nc_top_srcdir%g				s%@INSTALL@%$NC_INSTALL%g				" $nc_file_inputs | (eval "$nc_sed_cmds") > $nc_file				fi; done				rm -f conftest.s*								# These sed commands are passed to sed as "A NAME B NAME C VALUE D", where				# NAME is the cpp macro being defined and VALUE is the value it is being given.				#				# nc_d sets the value in "#define NAME VALUE" lines.				nc_dA='s%^\([ 	]*\)#\([ 	]*define[ 	][ 	]*\)'				nc_dB='\([ 	][ 	]*\)[^ 	]*%\1#\2'				nc_dC='\3'				nc_dD='%g'				# nc_u turns "#undef NAME" with trailing blanks into "#define NAME VALUE".				nc_uA='s%^\([ 	]*\)#\([ 	]*\)undef\([ 	][ 	]*\)'				nc_uB='\([ 	]\)%\1#\2define\3'				nc_uC=' '				nc_uD='\4%g'				# nc_e turns "#undef NAME" without trailing blanks into "#define NAME VALUE".				nc_eA='s%^\([ 	]*\)#\([ 	]*\)undef\([ 	][ 	]*\)'				nc_eB='$%\1#\2define\3'				nc_eC=' '				nc_eD='%g'								NC_CONFIG_HEADERS="ncurses/ncurses_cfg.h:include/ncurses_cfg.hin"				for nc_file in .. $NC_CONFIG_HEADERS; do if test "x$nc_file" != x..; then				  # Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in".				  case "$nc_file" in				  *:*) nc_file_in=`echo "$nc_file"|sed 's%[^:]*:%%'`				       nc_file=`echo "$nc_file"|sed 's%:.*%%'` ;;				  *) nc_file_in="${nc_file}.in" ;;				  esac								  echo creating $nc_file								  rm -f conftest.frag conftest.in conftest.out				  nc_file_inputs=`echo $nc_file_in|sed -e "s%^%$nc_given_srcdir/%" -e "s%:% $nc_given_srcdir/%g"`				  cat $nc_file_inputs > conftest.in								  rm -f conftest.frag				  cat >> conftest.frag 								#define CC_HAS_INLINE_FUNCS 1				#define GCC_NORETURN __attribute__((noreturn))				#define GCC_PRINTF 1				#define GCC_SCANF 1				#define GCC_UNUSED __attribute__((unused))				#define GOOD_SELECT 1				#define HAVE_BUILTIN_H 1				#define HAVE_DIRENT_H 1				#define HAVE_ERRNO 1				#define HAVE_FCNTL_H 1				#define HAVE_FORM_H 1				#define HAVE_GETOPT_H 1				CEOF				  cat >> conftest.frag 				#define HAVE_GETTIMEOFDAY 1				#define HAVE_GETTTYNAM 1				#define HAVE_ISASCII 1				#define HAVE_LIBFORM 1				#define HAVE_LIBMENU 1				#define HAVE_LIBPANEL 1				#define HAVE_LIMITS_H 1				#define HAVE_LINK 1				#define HAVE_LOCALE_H 1				#define HAVE_LONG_FILE_NAMES 1				#define HAVE_MEMCCPY 1				#define HAVE_MENU_H 1				#define HAVE_NANOSLEEP 1				#define HAVE_NC_ALLOC_H 1				CEOF				  cat >> conftest.frag 				#define HAVE_PANEL_H 1				#define HAVE_POLL 1				#define HAVE_POLL_H 1				#define HAVE_REGEX_H_FUNCS 1				#define HAVE_REMOVE 1				#define HAVE_SELECT 1				#define HAVE_SETBUF 1				#define HAVE_SETBUFFER 1				#define HAVE_SETVBUF 1				#define HAVE_SIGACTION 1				#define HAVE_SIGVEC 1				#define HAVE_SIZECHANGE 1				CEOF				  cat >> conftest.frag 				#define HAVE_STRDUP 1				#define HAVE_SYMLINK 1				#define HAVE_SYS_IOCTL_H 1				#define HAVE_SYS_PARAM_H 1				#define HAVE_SYS_SELECT_H 1				#define HAVE_SYS_TIMES_H 1				#define HAVE_SYS_TIME_H 1				#define HAVE_SYS_TIME_SELECT 1				#define HAVE_TCGETATTR 1				#define HAVE_TERMIOS_H 1				#define HAVE_TERMIO_H 1				#define HAVE_TIMES 1				#define HAVE_TTYENT_H 1				CEOF				  cat >> conftest.frag 				#define HAVE_TYPEINFO 1				#define HAVE_UNISTD_H 1				#define HAVE_VALUES_H 1				#define HAVE_VFSCANF 1				#define HAVE_VSNPRINTF 1				#define HAVE_VSSCANF 1				#define NCURSES_EXT_FUNCS 1				#define NDEBUG 1				#define PURE_TERMINFO 1				#define RETSIGTYPE void				#define STDC_HEADERS 1				CEOF				  cat >> conftest.frag 				#define SYSTEM_NAME "linux-gnu"				#define TYPEOF_CHTYPE long				#define USE_DATABASE 1				#define USE_HASHMAP 1				#define USE_LINKS 1				#define NCURSES_NO_PADDING 1				#define USE_SIGWINCH 1				CEOF				  cat >> conftest.edit 				/@DEFS@/r conftest.frag				/@DEFS@/d				CEOF				sed -f conftest.edit conftest.in > conftest.out				rm -f conftest.in				mv conftest.out conftest.in				rm -f conftest.edit conftest.frag								  rm -f conftest.frag conftest.h				  echo "/* $nc_file.  Generated automatically by configure.  */" > conftest.h				  cat conftest.in >> conftest.h				  rm -f conftest.in				  if cmp -s $nc_file conftest.h 2>/dev/null; then				    echo "$nc_file is unchanged"				    rm -f conftest.h				  else				    # Remove last slash and all that follows it.  Not all systems have dirname.				      nc_dir=`echo $nc_file|sed 's%/[^/][^/]*$%%'`				      if test "$nc_dir" != "$nc_file" && test "$nc_dir" != .; then				      # The file is in a subdirectory.				      test ! -d "$nc_dir" && mkdir "$nc_dir"				    fi				    rm -f $nc_file				    mv conftest.h $nc_file				  fi				fi; done												SYS_NAME=`uname -a`				if test -z "$SYS_NAME"; then SYS_NAME=unknown;fi								NC_AWK=awk				BUILD_CC=${BUILD_CC-gcc}				NC_CC="${BUILD_CC} -I${nc_given_srcdir}/ncurses -Incurses -I${nc_given_srcdir}/include"				NC_CPP="${NC_CC} -E"				CF_LIST_MODELS="normal"				#WITH_ECHO="yes"				#WITH_OVERWRITE="yes"				nc_cxx_library="yes"				cf_cv_systype="Linux"				cf_cv_rel_version="4.2"				cf_cv_abi_version="4"				cf_cv_do_symlinks="yes"				cf_cv_rm_so_locs="no"												rm -f headers.sed headers.sh								echo creating headers.sh				cat >headers.sh 				#!/bin/sh				# This shell script is generated by the 'configure' script.  It is invoked in a				# subdirectory of the build tree.  It generates a sed-script in the parent				# directory that is used to adjust includes for header files that reside in a				# subdirectory of /usr/include, etc.				PRG=""				while test \$# != 3				do				PRG="\$PRG \$1"; shift				done				DST=\$1				REF=\$2				SRC=\$3				echo installing \$SRC in \$DST				case \$DST in				/*/include/*)					TMP=\${TMPDIR-/tmp}/\`basename \$SRC\`					if test ! -f ../headers.sed ; then						END=\`basename \$DST\`						for i in \`cat \$REF/../*/headers |fgrep -v "#"\`						do							NAME=\`basename \$i\`							echo "s///" >> ../headers.sed						done					fi					rm -f \$TMP					sed -f ../headers.sed \$SRC > \$TMP					eval \$PRG \$TMP \$DST					rm -f \$TMP					;;				*)					eval \$PRG \$SRC \$DST					;;				esac				NC_EOF								chmod 0755 headers.sh								echo creating ncurses/term.h				${NC_AWK} -f ncurses/MKterm.h.awk ${nc_given_srcdir}/include/Caps > ncurses/term.h				sh ${nc_given_srcdir}/include/edit_cfg.sh ncurses/ncurses_cfg.h ncurses/term.h								echo creating ncurses/hashsize.h				sh ${nc_given_srcdir}/include/MKhashsize.sh ${nc_given_srcdir}/include/Caps > ncurses/hashsize.h								echo creating ncurses/parametrized.h				sh ${nc_given_srcdir}/include/MKparametrized.sh ${nc_given_srcdir}/include/Caps > ncurses/parametrized.h								echo creating ncurses/termsort.c				sh ${nc_given_srcdir}/progs/MKtermsort.sh "${NC_AWK}" ${nc_given_srcdir}/include/Caps > ncurses/termsort.c								echo creating ncurses/fallback.c				sh ${nc_given_srcdir}/ncurses/tinfo/MKfallback.sh > ncurses/fallback.c								echo creating ncurses/lib_gen.c				sh ${nc_given_srcdir}/ncurses/base/MKlib_gen.sh "${NC_CPP}" "${NC_AWK}" < ncurses/curses.h > ncurses/lib_gen.c								echo creating ncurses/nomacros.h				sh ${nc_given_srcdir}/ncurses/base/MKlib_gen.sh "${NC_CPP}" "${NC_AWK}" < ncurses/curses.h | fgrep undef > ncurses/nomacros.h								echo creating ncurses/expanded.c				sh ${nc_given_srcdir}/ncurses/tty/MKexpanded.sh "${NC_CPP}" >ncurses/expanded.c								echo creating ncurses/comp_captab.c				${NC_CC} -o make_hash -DMAIN_PROGRAM ${nc_given_srcdir}/ncurses/tinfo/comp_hash.c				sh ${nc_given_srcdir}/ncurses/tinfo/MKcaptab.awk "${NC_AWK}" ${nc_given_srcdir}/include/Caps > ncurses/comp_captab.c				rm -f make_hash								echo creating ncurses/lib_keyname.c				${NC_AWK} -f ${nc_given_srcdir}/ncurses/base/MKkeyname.awk ${nc_given_srcdir}/ncurses/tinfo/keys.list > ncurses/lib_keyname.c								echo creating ncurses/names.c and ncurses/codes.c				${NC_AWK} -f ${nc_given_srcdir}/ncurses/tinfo/MKnames.awk ${nc_given_srcdir}/include/Caps				cat namehdr boolnames boolfnames numnames numfnames strnames strfnames nameftr >ncurses/names.c				cat namehdr boolcodes numcodes strcodes codeftr > ncurses/codes.c				rm -f namehdr nameftr codeftr boolnames boolfnames boolcodes numnames numfnames numcodes strnames strfnames strcodes								echo creating ncurses/init_keytry.h				${NC_CC} -o make_key ${nc_given_srcdir}/ncurses/tinfo/make_keys.c				./make_key ${nc_given_srcdir}/ncurses/keys.list > ncurses/init_keytry.h				rm -f make_key								echo creating ncurses/unctrl.c				echo | ${NC_AWK} -f ${nc_given_srcdir}/ncurses/base/MKunctrl.awk > ncurses/unctrl.c				echo creating ncurses/terminfo.5				sh ${nc_given_srcdir}/man/MKterminfo.sh ${nc_given_srcdir}/man/terminfo.head ${nc_given_srcdir}/include/Caps ${nc_given_srcdir}/man/terminfo.tail > ncurses/terminfo.5