source: buchla-68k/orig/LATTICE/STDIO.H@ 4b63bf3

/**
*
* This header file defines the information used by the standard I/O
* package.
*
**/
#define _BUFSIZ 512             /* standard buffer size */
#define BUFSIZ 512              /* standard buffer size */
#define _NFILE 20               /* maximum number of files */

struct _iobuf
{
char *_ptr;                     /* current buffer pointer */
int _rcnt;                      /* current byte count for reading */
int _wcnt;                      /* current byte count for writing */
char *_base;                    /* base address of I/O buffer */
char _flag;                     /* control flags */
char _file;                     /* file number */
int _size;                      /* size of buffer */
char _cbuff;                    /* single char buffer */
char _pad;                      /* (pad to even number of bytes) */
};

extern struct _iobuf _iob[_NFILE];

#define _IOREAD 1               /* read flag */
#define _IOWRT 2                /* write flag */
#define _IONBF 4                /* non-buffered flag */
#define _IOMYBUF 8              /* private buffer flag */
#define _IOEOF 16               /* end-of-file flag */
#define _IOERR 32               /* error flag */
#define _IOSTRG 64
#define _IORW 128               /* read-write (update) flag */

#if SPTR
#define NULL 0                  /* null pointer value */
#else
#define NULL 0L
#endif
#define FILE struct _iobuf      /* shorthand */
#define EOF (-1)                /* end-of-file code */

#define stdin (&_iob[0])        /* standard input file pointer */
#define stdout (&_iob[1])       /* standard output file pointer */
#define stderr (&_iob[2])       /* standard error file pointer */

#define getc(p) (--(p)->_rcnt>=0? ((unsigned char)(*(p)->_ptr++)):_filbf(p))
#define getchar() getc(stdin)
#define putc(c,p) (--(p)->_wcnt>=0? ((int)(*(p)->_ptr++=(c))):_flsbf((c),p))
#define putchar(c) putc(c,stdout)
#define feof(p) (((p)->_flag&_IOEOF)!=0)
#define ferror(p) (((p)->_flag&_IOERR)!=0)
#define fileno(p) (p)->_file
#define rewind(fp) fseek(fp,0L,0)
#define fflush(fp) _flsbf(-1,fp)
#define clearerr(fp) clrerr(fp)

FILE *fopen();
FILE *freopen();
long ftell();
char *fgets();

#define abs(x) ((x)<0?-(x):(x))
#define max(a,b) ((a)>(b)?(a):(b))
#define min(a,b) ((a)<=(b)?(a):(b))