%{ #ifndef lint static char sccsid[] = "@(#)scan.l 4.1 (Berkeley) %G%"; #endif #include "y.tab.h" #include "htable.h" %} BLANK [ \t] DIGIT [0-9] ALPHA [A-Z] ANUM [0-9A-Z] NAMECHR [0-9A-Z./-] %% "NET" { yylval.number = KW_NET; return (KEYWORD); } "GATEWAY" { yylval.number = KW_GATEWAY; return (KEYWORD); } "HOST" { yylval.number = KW_HOST; return (KEYWORD); } {ALPHA}{NAMECHR}*{ANUM} { yylval.namelist = newname(yytext); return (NAME); } {ALPHA} return (NAME); {DIGIT}+ { yylval.number = atoi(yytext); return (NUMBER); } "." return ('.'); ":" return (':'); "," return (','); "/" return ('/'); ";".* ; "\n"{BLANK}+ ; {BLANK}+ ; "\n" return (END); . fprintf(stderr, "Illegal char: '%s'\n", yytext); %% yywrap() { return (1); }