/* $Header: ndir.h,v 4.3 85/05/01 11:43:00 lwall Exp $ * * $Log: ndir.h,v $ * Revision 4.3 85/05/01 11:43:00 lwall * Baseline for release with 4.3bsd. * */ #ifdef LIBNDIR # include <ndir.h> #else # ifndef USENDIR # include <sys/dir.h> # else #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. */ #undef 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; #ifndef NULL #define NULL 0 #endif extern DIR *opendir(); extern struct direct *readdir(); extern long telldir(); extern void seekdir(); #define rewinddir(dirp) seekdir((dirp), (long)0) extern void closedir(); # endif #endif