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Man Pages


Manual Reference Pages  -  GETMNTINFO (3)

NAME

getmntinfo - get information about mounted file systems

CONTENTS

Library
Synopsis
Description
Return Values
Errors
See Also
History
Bugs

LIBRARY


.Lb libc

SYNOPSIS


.In sys/param.h
.In sys/ucred.h
.In sys/mount.h int getmntinfo struct statfs **mntbufp int flags

DESCRIPTION

The getmntinfo function returns an array of statfs structures describing each currently mounted file system (see statfs(2)).

The getmntinfo function passes its flags argument transparently to getfsstat(2).

RETURN VALUES

On successful completion, getmntinfo returns a count of the number of elements in the array. The pointer to the array is stored into mntbufp.

If an error occurs, zero is returned and the external variable errno is set to indicate the error. Although the pointer mntbufp will be unmodified, any information previously returned by getmntinfo will be lost.

ERRORS

The getmntinfo function may fail and set errno for any of the errors specified for the library routines getfsstat(2) or malloc(3).

SEE ALSO

getfsstat(2), mount(2), statfs(2), mount(8)

HISTORY

The getmntinfo function first appeared in BSD 4.4 .

BUGS

The getmntinfo function writes the array of structures to an internal static object and returns a pointer to that object. Subsequent calls to getmntinfo will modify the same object.

The memory allocated by getmntinfo cannot be free 3 ’d by the application.

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