DI_MINOR_NEXT(3DEVINFO) Device Information Library Functions

NAME

di_minor_next - libdevinfo minor node traversal functions

SYNOPSIS

cc [ flag... ] file... -ldevinfo [ library... ]
#include <libdevinfo.h>

di_minor_t di_minor_next(di_node_t node, di_minor_t minor);

PARAMETERS

minor
Handle to the current minor node or DI_MINOR_NIL.


node
Device node with which the minor node is associated.

DESCRIPTION

The di_minor_next() function returns a handle to the next minor node for
the device node node. If minor is DI_MINOR_NIL, a handle to the first
minor node is returned.

RETURN VALUES

Upon successful completion, a handle to the next minor node is returned.
Otherwise, DI_MINOR_NIL is returned and errno is set to indicate the
error.

ERRORS

The di_minor_next() function will fail if:

EINVAL
Invalid argument.


ENOTSUP
Minor node information is not available in snapshot.


ENXIO
End of minor node list.

ATTRIBUTES

See attributes(7) for descriptions of the following attributes:


+--------------------+-----------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+--------------------+-----------------+
|Interface Stability | Evolving |
+--------------------+-----------------+
|MT-Level | Safe |
+--------------------+-----------------+

SEE ALSO

libdevinfo(3LIB), attributes(7)


Writing Device Drivers

December 1, 1998 DI_MINOR_NEXT(3DEVINFO)