Subversion Repositories NedoOS

/* stdio.h      for BDS C v1.6  2/85 */

#define BDSC

#define NULL 0          /* null pointer */
#define EOF -1          /* Physical EOF returned by low level I/O functions */
#define ERROR -1        /* General "on error" return value */
#define OK 0            /* General purpose "no error" return value */
#define JBUFSIZE 6      /* Length of setjump/longjump buffer    */
#define CPMEOF 0x1a     /* CP/M End-of-text-file marker (sometimes!)  */
#define SECSIZ 128      /* Sector size for CP/M read/write calls */
#define TRUE 1          /* logical true constant */
#define FALSE 0         /* logical false constant */
#define MAXLINE 150     /* For compatibility */
#define VOID            /* for functions that don't return anything */

#define NSECTS 8        /* Number of sectors to buffer up in ram */

struct _buf {
        int _fd;
        int _nleft;
        char *_nextp;
        char _buff[NSECTS * SECSIZ];
        char _flags;
};

#define FILE struct _buf        /* Poor man's "typedef" */

#define _READ 1         /* only one of these two may be active at a time */
#define _WRITE 2

#define _EOF 4          /* EOF has occurred on input */
#define _TEXT 8         /* convert ^Z to EOF on input, write ^Z on output */
#define _ERR 16         /* error occurred writing data out to a file */

#define stdin 0
#define stdout 1
#define stdlst 2
#define stdrdr 3
#define stdpun 3
#define stderr 4

#define getc fgetc
#define putc fputc

struct _header  {               /* Alloc/Free object structure */
        struct _header *_ptr;
        unsigned _size;
 };

struct _header  _base;          /* declare this external data to  */
struct _header *_allocp;        /* be used by alloc() and free()  */