ref: 8d3c95abbdf285aa5a820607c5d4c32ab3dff70d
dir: /main.c/
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include "cc1.h"
extern void init_keywords(void),
	open_file(const char *file),  init_expr(void);
struct user_opt options;
int
main(int argc, char *argv[])
{
	setvbuf(stdin, NULL, _IONBF, 0);
	setvbuf(stdout, NULL, _IONBF, 0);
	init_keywords();
	init_expr();
	open_file(NULL);
	for (next(); yytoken != EOFTOK; extdecl());
		/* nothing */;
	return 0;
}