NAME
sysfs - get file system type information
SYNOPSIS
int sysfs(int option, const char * fsname));
int sysfs(int option, unsigned int fs_index, char * buf
int sysfs(int option));
DESCRIPTION
sysfs returns information about the file system types
currently present in the kernel. The specific form of the
sysfs call and the information returned depends on the
option in effect:
1 Translate the file-system identifier string fsname into
a file-system type index.
2 Translate the file-system type index fs_index into a
null-terminated file-system identifier string. This
string will be written to the buffer pointed to by buf.
Make sure that buf has enough space to accept the
string.
3 Return the total number of file system types currently
present in the kernel.
The numbering of the file-system type indexes begins with
zero.
RETURN VALUE
On success, sysfs returns the file-system index for option
1, zero for option 2, and the number of currently configured
file systems for option 3. On error, -1 is returned, and
errno is set appropriately.
ERRORS
EINVAL
fsname is not a valid file-system type identifier;
fs_index is out-of-bounds; option is invalid.
EFAULT
Either fsname or buf is outside your accessible address
space.
CONFORMING TO
SVr4.