# statvfs
## **Overview**
**Related Modules:**
[FS](FS.md)
**Description:**
Describes file system information.
## **Summary**
## Data Fields
## **Details**
## **Field Documentation**
## \_\_reserved
```
int statvfs::__reserved[6]
```
**Description:**
Reserved
## f\_bavail
```
fsblkcnt_t statvfs::f_bavail
```
**Description:**
Free blocks for unprivileged users
## f\_bfree
```
fsblkcnt_t statvfs::f_bfree
```
**Description:**
Free blocks
## f\_blocks
```
fsblkcnt_t statvfs::f_blocks
```
**Description:**
Size of **fs**, in units of **f\_frsize**
## f\_bsize
```
unsigned long statvfs::f_bsize
```
**Description:**
File system block size
## f\_favail
```
fsfilcnt_t statvfs::f_favail
```
**Description:**
Free inodes for unprivileged users
## f\_ffree
```
fsfilcnt_t statvfs::f_ffree
```
**Description:**
Free inodes
## f\_files
```
fsfilcnt_t statvfs::f_files
```
**Description:**
File nodes \(inodes\)
## f\_flag
```
unsigned long statvfs::f_flag
```
**Description:**
Mount flags
## f\_frsize
```
unsigned long statvfs::f_frsize
```
**Description:**
Fragment size
## f\_fsid
```
unsigned long statvfs::f_fsid
```
**Description:**
File system ID
## f\_namemax
```
unsigned long statvfs::f_namemax
```
**Description:**
Maximum file name length