Originální popis anglicky:
ftw.h - file tree traversal
Návod, kniha: POSIX Programmer's Manual
#include <ftw.h>
The
<ftw.h> header shall define the
FTW structure that
includes at least the following members:
The
<ftw.h> header shall define macros for use as values of the
third argument to the application-supplied function that is passed as the
second argument to
ftw() and
nftw():
- FTW_F
- File.
- FTW_D
- Directory.
- FTW_DNR
- Directory without read permission.
- FTW_DP
- Directory with subdirectories visited.
- FTW_NS
- Unknown type; stat() failed.
- FTW_SL
- Symbolic link.
- FTW_SLN
- Symbolic link that names a nonexistent file.
The
<ftw.h> header shall define macros for use as values of the
fourth argument to
nftw():
- FTW_PHYS
- Physical walk, does not follow symbolic links. Otherwise,
nftw() follows links but does not walk down any path that crosses
itself.
- FTW_MOUNT
- The walk does not cross a mount point.
- FTW_DEPTH
- All subdirectories are visited before the directory
itself.
- FTW_CHDIR
- The walk changes to each directory before reading it.
The following shall be declared as functions and may also be defined as macros.
Function prototypes shall be provided.
int ftw(const char *, int (*)(const char *, const struct stat *,
int), int);
int nftw(const char *, int (*)(const char *, const struct stat *,
int, struct FTW*), int, int);
The
<ftw.h> header shall define the
stat structure and the
symbolic names for
st_mode and the file type test macros as described
in
<sys/stat.h> .
Inclusion of the
<ftw.h> header may also make visible all symbols
from
<sys/stat.h>.
The following sections are informative.
None.
None.
None.
<sys/stat.h> , the System Interfaces volume of
IEEE Std 1003.1-2001,
ftw(),
nftw()
Portions of this text are reprinted and reproduced in electronic form from IEEE
Std 1003.1, 2003 Edition, Standard for Information Technology -- Portable
Operating System Interface (POSIX), The Open Group Base Specifications Issue
6, Copyright (C) 2001-2003 by the Institute of Electrical and Electronics
Engineers, Inc and The Open Group. In the event of any discrepancy between
this version and the original IEEE and The Open Group Standard, the original
IEEE and The Open Group Standard is the referee document. The original
Standard can be obtained online at http://www.opengroup.org/unix/online.html
.
