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BSD 2.11 - man page for getmntinfo (bsd section 3)

GETMNTINFO(3)				       Library Functions Manual 				GETMNTINFO(3)

NAME
getmntinfo - get information about mounted file systems
SYNOPSIS
#include <sys/param.h> #include <sys/mount.h> int getmntinfo(mntbufp,flags) 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 parameter 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), statfs(2), mount(2), mount(8)
HISTORY
The getmntinfo() function first appeared in 4.4BSD.
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(2)'d by the application. 4.4 Berkeley Distribution December 26, 1995 GETMNTINFO(3)


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