int main(int argv, char **argc)
{
int fd;
if (argc != 2)
{
if (argc > 2)
write(2,"too many arguments.\n", 20);
if (argc < 2)
write(2, "file name missing \n", 19);
return (1);
}
fd = open(argv[1], O_RDONLY);
disp_file(fd);
close(fd);
return (0);
}
int main()
{
if (yyparse() == 0) {
disp_file(1, ast_root);
}
}
