NVLIST_LOOKUP_NVPAIR(9F)NVLIST_LOOKUP_NVPAIR(9F)NAME
nvlist_lookup_nvpair, nvlist_exists - lookup named pairs
SYNOPSIS
#include <libnvpair.h>
int nvlist_lookup_nvpair(nvlist_t *nvl, const char *name,
nvpair_t **nvp);
boolean_t nvlist_exists(nvlist_t *nvl, const char *name);
DESCRIPTION
The nvlist_lookup_nvpair() function returns the nvpair with the match‐
ing name, regardless of type. It is valid only for lists allocated with
NV_UNIQUE_NAME. See nvlist_alloc(9F).
The nvlist_exists() function returns success if any nvpair exists with
the given name. It is valid for all types of lists.
RETURN VALUES
The nvlist_lookup_nvpair() function returns 0 on success and an error
value on failure.
The nvlist_exists() function returns B_TRUE if an nvpair with the given
name exists and B_FALSE otherwise.
ERRORS
The nvlist_lookup_nvpair() function will fail if:
EINVAL
There is an invalid argument.
ENOENT
No matching name-value pair is found.
ENOTSUP
The list was not allocated with NV_UNIQUE_NAME.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
┌────────────────────┬─────────────────┐
│ ATTRIBUTE TYPE │ ATTRIBUTE VALUE │
├────────────────────┼─────────────────┤
│Interface Stability │ Committed │
└────────────────────┴─────────────────┘
SEE ALSOnvlist_lookup_nvpair(3NVPAIR), nvlist_alloc(9F), attributes(5)
Oct 24, 2007 NVLIST_LOOKUP_NVPAIR(9F)