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#include <stdio.h> #include "ast.h" #include "lex-pattern.h" #include "parse-pattern.h" int main(int argc, char **argv) { if (argc >= 2) { yyin = fmemopen(argv[1], strlen(argv[1]), "r"); } else { yyin = stdin; } if (!yyparse()) print_regex(ast); fclose(yyin); return 0; }