msvcrt stuff

stdio_hack.c

/* WHAT: build code against the ancient Visual Studio 6.0 msvcrt.lib */
/* WHY: sizecoding; please refer to crinkler's manual.txt */
/* HOW: by replacing some of VS 14.0's definitions with VS 6.0's */

#define _NO_CRT_STDIO_INLINE 1

struct _iobuf {
    char *_ptr;
    int   _cnt;
    char *_base;
    int   _flag;
    int   _file;
    int   _charbuf;
    int   _bufsiz;
    char *_tmpfname;
};
typedef struct _iobuf FILE;
#define _FILE_DEFINED

#include "stdio.h"

extern FILE *_iob;
#undef stdin
#undef stdout
#undef stderr
#define stdin  (&_iob[0])
#define stdout (&_iob[1])
#define stderr (&_iob[2])

/* your code goes here! */