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sysfs (2)
  • sysfs (2) ( Solaris man: Системные вызовы )
  • sysfs (2) ( Русские man: Системные вызовы )
  • >> sysfs (2) ( Linux man: Системные вызовы )
  • Ключ sysfs обнаружен в базе ключевых слов.
  •  

    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

    EFAULT
    Either fsname or buf is outside your accessible address space.
    EINVAL
    fsname is not a valid file-system type identifier; fs_index is out-of-bounds; option is invalid.
     

    CONFORMING TO

    SVr4.  

    NOTES

    On Linux with the proc file system mounted on /proc, the same information can be derived from /proc/filesystems.  

    BUGS

    There is no libc or glibc support. There is no way to guess how large buf should be.  

    COLOPHON

    This page is part of release 3.14 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    RETURN VALUE
    ERRORS
    CONFORMING TO
    NOTES
    BUGS
    COLOPHON


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