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GETVFSBYNAME (3) | C library functions | Unix Manual Pages | :man▋
NAME
getvfsbyname - get information about a file system
CONTENTS
Library
Synopsis
Description
Return Values
Errors
See Also
History
LIBRARY
.Lb libc
SYNOPSIS
.In sys/param.h
.In sys/mount.h int getvfsbyname "const char *name" "struct xvfsconf *vfc"
DESCRIPTION
The getvfsbyname function provides access to information about a file system module that is configured in the kernel. If successful, the requested file system xvfsconf is returned in the location pointed to by vfc. The fields in a "struct xvfsconf" are defined as follows: | vfc_name | the name of the file system | | vfc_typenum | the file system type number assigned by the kernel | | vfc_refcount | the number of active mount points using the file system | | vfc_flags | flag bits, as described below | |
The flags are defined as follows: | VFCF_STATIC | statically compiled into kernel | | VFCF_NETWORK | may get data over the network | | VFCF_READONLY | writes are not implemented | | VFCF_SYNTHETIC | | | data does not represent real files | | VFCF_LOOPBACK | aliases some other mounted FS | | VFCF_UNICODE | stores file names as Unicode | |
RETURN VALUES
.Rv -std getvfsbyname
ERRORS
The following errors may be reported: | [EFAULT] | | | The vfc argument points to an invalid address. | | [ENOENT] | | | The name argument specifies a file system that is unknown or not configured in the kernel. | |
SEE ALSO
mount(2), sysctl(3), mount(8), sysctl(8)
HISTORY
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