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NDIR.H
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C/C++ Source or Header
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1987-03-08
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1KB
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54 lines
/* @(#)ndir.h 1.4 4/16/85 */
#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
{
char whichdir[256]; /* pathname used to open directory */
struct dosdir /* DOS directory-search structure */
{
char doshdr[21];
char attrib;
short time;
short date;
short size_l;
short size_h;
char name[13];
} dosdir;
} DIR;
#ifndef NULL
#define NULL 0
#endif
extern DIR *opendir();
extern struct direct *readdir();
extern void closedir();