flex 词法分析工具 类似于lex 此版本为较早前的版本

				%{				/* fixit.l - convert long external names to names of 8-bytes or less */				/* 				 * This program is included to satisfy "dumb" compilers/linkers which 				 * do not know about externals of names longer than 8 bytes.				 *				 *  Steven W. Layten				 *  Chemical Abstracts Service				 *  PO BOX 3012				 *  Columbus, OH 43210				 */				%}				%%				"action_file_name"			printf("actfilnm");				"action_out"				printf("actnout");				"add_accept"				printf("addacpt");				"all_lower"				printf("alllower");				"all_upper"				printf("allupper");				"allocate_array"			printf("allocarr");				"assoc_rule"				printf("asscrule");				"backtrack_file"			printf("bktrkfil");				"backtrack_report"			printf("bktrkrep");				"bol_needed"				printf("bol_nded");				"build_eof_action"			printf("bldeofac");				"cclinstal"				printf("cclnstal");				"ccllookup"				printf("ccllookp");				"cclnegate"				printf("cclnegat");				"cclsorted"				printf("cclsrted");				"check_for_backtracking"		printf("ck4bktrk");				"check_trailing_context"		printf("cktrlcnt");				"continued_action"			printf("cntdactn");				"copy_string"				printf("copystrn");				"copy_unsigned_string"			printf("cpunsstr");				"copyright"				printf("cpyrght");				"copysingl"				printf("copysngl");				"current_max_ccl_tbl_size"		printf("c_mx_ccl");				"current_max_dfa_size"			printf("c_mx_dfa");				"current_max_dfas"			printf("c_mxdfas");				"current_max_rules"			printf("curmxrls");				"current_max_scs"			printf("c_mx_scs");				"current_max_template_xpairs"		printf("c_mx_tmp");				"current_max_xpairs"			printf("c_mx_xpr");				"current_maxccls"			printf("c_mxccls");				"current_mns"				printf("curr_mns");				"current_state_type"			printf("cursttyp");				"dataflush"				printf("datflush");				"dfaacc_union"				printf("dfacunin");				"do_indent"				printf("do_indnt");				"dump_associated_rules"			printf("dmpasrl");				"dump_transitions"			printf("dmptrns");				"dupmachine"				printf("dupmach");				"ecs_from_xlation"			printf("ecsfrmxt");				"end_of_buffer_state"			printf("eobstate");				"epsclosure"				printf("epsclos");				"expand_nxt_chk"			printf("expnxtck");				"find_table_space"			printf("fndtblsp");				"finish_rule"				printf("fnshrule");				"firstfree"				printf("firstfre");				"firstprot"				printf("firstprt");				"flex_gettime"				printf("flxgettm");				"flexerror"				printf("flxerror");				"flexfatal"				printf("flxfatal");				"format_pinpoint_message"		printf("fmtptmsg");				"gen_NUL_trans"				printf("gnNULtrn");				"gen_backtracking"			printf("gnbktrkg");				"gen_bt_action"				printf("gnbtactn");				"gen_find_action"			printf("gnfndact");				"gen_line_dirs"				printf("gnlindir");				"gen_next_compressed_state"		printf("gnnxcste");				"gen_next_match"			printf("gnnxmtch");				"gen_next_state"			printf("gnnxtst");				"gen_start_state"			printf("gnstrtst");				"hash_entry"				printf("hshentry");				"hashfunct"				printf("hshfct");				"increase_max_dfas"			printf("incmxdfa");				"indent_put2s"				printf("indput2s");				"indent_puts"				printf("indputs");				"infilename"				printf("infilnam");				"input_files"				printf("inp_fles");				"interactive"				printf("intractv");				"line_directive_out"			printf("lndirout");				"link_machines"				printf("lnkmchns");				"list_character_set"			printf("lst_cset");				"make_tables"				printf("maketbls");				"mark_beginning_as_normal"		printf("mkbgnorm");				"mktemplate"				printf("mktmplat");				"num_backtracking"			printf("nbktrckg");				"num_input_files"			printf("ninfiles");				"num_reallocs"				printf("numraloc");				"num_rules"				printf("numrules");				"num_xlations"				printf("nuxlatns");				"numsnpairs"				printf("numnpair");				"output_file_name"			printf("outfilnm");				"peakpairs"				printf("peakpair");				"performance_report"			printf("perf_rep");				"pinpoint_message"			printf("pptmsg");				"place_state"				printf("plcstate");				"previous_continued_action"		printf("prvctdan");				"printstats"				printf("prtstats");				"program_name"				printf("pgm_name");				"protcomst"				printf("prtcomst");				"readable_form"				printf("rdblefrm");				"real_reject"				printf("realrjct");				"reallocate_array"			printf("rallocar");				"reject_really_used"			printf("rjctused");				"rule_linenum"				printf("rulelnno");				"rule_type"				printf("ruletype");				"set_input_file"			printf("stinpfle");				"set_up_initial_allocations"		printf("setupia");				"starttime"				printf("startime");				"state_type"				printf("ste_type");				"symfollowset"				printf("symfollo");				"sympartition"				printf("sympartn");				"syntaxerror"				printf("syntxerr");				"temp_action_file"			printf("tmpactfl");				"todo_head"				printf("todohead");				"todo_next"				printf("todonext");				"transchar"				printf("trnschar");				"transition_struct_out"			printf("trnstout");				"trlcontxt"				printf("trlcntxt");				"variable_trail_rule"			printf("vtrailrl");				"variable_trailing_context_rules"	printf("vtrlctrl");				"varlength"				printf("varlngth");				"yy_create_buffer"			printf("yycrbffr");				"yy_delete_buffer"			printf("yydlbffr");				"yy_init_buffer"			printf("yyinbffr");				"yy_load_buffer_state"			printf("yyldbfst");				"yy_switch_to_buffer"			printf("yyswtobf");				"yyerrflag"				printf("yyerrflg");				"yymore_really_used"			printf("yymrreus");				"yymore_used"				printf("yymrused");				"yyrestart"				printf("yyrestrt");				.					ECHO;				%%				main()				{				    yylex();				}