osprey/cygnus/include/mpw/fcntl.h

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/*
 * FCntl.h -- faccess(), fcntl(), and open() mode flags
 *
 * Portions copyright American Telephone & Telegraph
 * Used with permission, Apple Computer Inc. (1985,1988,1990,1992)
 * All rights reserved.
 */

#ifndef __FCNTL__
#define __FCNTL__

#ifndef __TYPES__
#include <Types.h>
#endif

/*
 *  For use by lseek():
 */

#ifndef __STDIO__     /* these defns exactly paralled in StdIO.h for fseek() */
#define SEEK_CUR  1
#define SEEK_END  2
#define SEEK_SET  0
#endif

/*
 * faccess() commands; for general use
 */
          /* 'd' => "directory" ops */
#define F_DELETE    (('d'<<8)|0x01)
#define F_RENAME    (('d'<<8)|0x02)

/*
 * more faccess() commands; for use only by MPW tools
 */
 
#define F_OPEN      (('d'<<8)|0x00)   /* reserved for operating system use */
          /* 'e' => "editor" ops */
#define F_GTABINFO    (('e'<<8)|0x00)   /* get tab offset for file */ 
#define F_STABINFO    (('e'<<8)|0x01)   /* set  " "   " "  */
#define F_GFONTINFO   (('e'<<8)|0x02)   /* get font number and size for file */
#define F_SFONTINFO   (('e'<<8)|0x03)   /* set  "   " " " " "    */
#define F_GPRINTREC   (('e'<<8)|0x04)   /* get print record for file */
#define F_SPRINTREC   (('e'<<8)|0x05)   /* set  "   " " "    */
#define F_GSELINFO    (('e'<<8)|0x06)   /* get selection information for file */
#define F_SSELINFO    (('e'<<8)|0x07)   /* set    "   "   "   " */
#define F_GWININFO    (('e'<<8)|0x08)   /* get current window position */
#define F_SWININFO    (('e'<<8)|0x09)   /* set  "   "   "      */
#define F_GSCROLLINFO (('e'<<8)|0x0A)   /* get scroll information */
#define F_SSCROLLINFO (('e'<<8)|0x0B)   /* set    "       "     */
#define F_GMARKER   (('e'<<8)|0x0D)   /* Get Marker */
#define F_SMARKER   (('e'<<8)|0x0C)   /* Set   "    */
#define F_GSAVEONCLOSE  (('e'<<8)|0x0F)   /* Get Save on close */
#define F_SSAVEONCLOSE  (('e'<<8)|0x0E)   /* Set   "   "   "   */

/*
 *  argument structures used by various faccess() commands
 */
 
struct MarkElement {
  int       start;      /* start position of mark */
  int       end;      /* end position */
  unsigned char charCount;    /* number of chars in mark name */
  char      name[64];   /* mark name */
} ;                 /* note: marker names may be up to 64 characters long */

#ifndef __cplusplus
typedef struct MarkElement MarkElement;
#endif

struct SelectionRecord {
  long  startingPos;
  long  endingPos;
  long  displayTop;
};

#ifndef __cplusplus
typedef struct SelectionRecord SelectionRecord;
#endif


/*
 * Mode values accessible to open()
 */
#define O_RDONLY     0    /* Bits 0 and 1 are used internally */
#define O_WRONLY     1    /* Values 0..2 are historical */
#define O_RDWR       2    /* NOTE: it goes 0, 1, 2, *!* 8, 16, 32, ... */
#define O_APPEND  (1<< 3)   /* append (writes guaranteed at the end) */
#define O_RSRC    (1<< 4)   /* Open the resource fork */
#define O_ALIAS   (1<< 5)   /* Open alias file */
#define O_CREAT   (1<< 8)   /* Open with file create */
#define O_TRUNC   (1<< 9)   /* Open with truncation */
#define O_EXCL    (1<<10)   /* w/ O_CREAT:  Exclusive "create-only" */
#define O_BINARY  (1<<11)   /* Open as a binary stream */
#define O_NRESOLVE  (1<<14)   /* Don't resolve any aliases */

#ifdef __cplusplus
extern "C" {
#endif

/*
 *    function prototypes
 */
int  close(int);
int  creat(const char*);
int  dup(int filedes);    /* OBSOLETE: fcntl(filedes, F_DUPFD, 0) is preferred */
int  faccess(char*, unsigned int, long*);
int  fcntl(int, unsigned int, int);
long lseek(int, long, int);
int  open(const char*, int, ...);
int  read(int, char*, unsigned);
int  unlink(char*);
int  write(int, const char*, unsigned);

#ifdef __cplusplus
}
#endif

/*
 * fcntl() commands
 */
#define F_DUPFD 0    /* Duplicate files (file descriptor) */

#endif __FCNTL__

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