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Command: getmntinfo | Section: 3 | Source: NetBSD | File: getmntinfo.3
GETMNTINFO(3) FreeBSD Library Functions Manual GETMNTINFO(3)
NAME
getmntinfo - get information about mounted file systems
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <sys/types.h>
#include <sys/statvfs.h>
int
getmntinfo(struct statvfs **mntbufp, int flags);
DESCRIPTION
The getmntinfo() function returns an array of statvfs structures
describing each currently mounted file system (see statvfs(2)).
The getmntinfo() function passes its flags parameter transparently to
getvfsstat(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 getvfsstat(2) or malloc(3).
SEE ALSO
getvfsstat(2), mount(2), statvfs(2), mount(8)
HISTORY
The getmntinfo() function first appeared in 4.4BSD. It was converted
from using getfsstat() to getvfsstat(2) in NetBSD 3.0.
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.
FreeBSD 14.1-RELEASE-p8 June 2, 2016 FreeBSD 14.1-RELEASE-p8