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Disc to the Future 2
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Disc to the Future Part II Programmer's Reference (Wayzata Technology)(6013)(1992).bin
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MAC
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THINKC
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4_0
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MAC_SPEC
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UNIX_LIB
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NDIR.H
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1989-10-22
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/* @(#)ndir.h 1.4 4/16/85 */
#define _H_ndir
#ifndef DEV_BSIZE
#define DEV_BSIZE 512
#endif
#define DIRBLKSIZ DEV_BSIZE
#define MAXNAMLEN 255
struct direct {
long d_ino; /* inode number of entry */
short d_reclen; /* length of this record */
short d_namlen; /* length of string in d_name */
char d_name[MAXNAMLEN + 1]; /* name must be no longer than this */
};
/*
* The DIRSIZ macro gives the minimum record length which will hold
* the directory entry. This requires the amount of space in struct direct
* without the d_name field, plus enough space for the name with a terminating
* null byte (dp->d_namlen+1), rounded up to a 4 byte boundary.
*/
#ifdef DIRSIZ
#undef DIRSIZ
#endif /* DIRSIZ */
#define DIRSIZ(dp) \
((sizeof (struct direct) - (MAXNAMLEN+1)) + (((dp)->d_namlen+1 + 3) &~ 3))
/*
* Definitions for library routines operating on directories.
*/
/*
typedef struct _dirdesc {
int dd_fd;
long dd_loc;
long dd_size;
char dd_buf[DIRBLKSIZ];
} DIR;
*/
typedef struct _dirdesc {
int ioVRefNum;
long ioDrDirID;
int ioFDirIndex;
int currdir;
} DIR;
#ifndef NULL
#define NULL 0L
#endif
extern DIR *opendir();
extern struct direct *readdir();
extern void closedir();
extern char * getcwd();