nvpair_value_byte(9F)
NAME
| SYNOPSIS
| INTERFACE LEVEL
| PARAMETERS
| DESCRIPTION
| RETURN VALUES
| CONTEXT
NAME
nvpair_value_byte, nvpair_value_nvlist, nvpair_value_nvlist_array, nvpair_value_int16, nvpair_value_uint16, nvpair_value_int32, nvpair_value_uint32, nvpair_value_int64, nvpair_value_uint64, nvpair_value_string, nvpair_value_byte_array, nvpair_value_int16_array, nvpair_value_uint16_array, nvpair_value_int32_array, nvpair_value_uint32_array, nvpair_value_int64_array, nvpair_value_uint64_array, nvpair_value_string_array– retrieve
value from a name-value pair
SYNOPSIS
#include <sys/nvpair.h>
int nvpair_value_byte(nvpair_t *
nvpair, uchar_t *
val);
int nvpair_value_int16(nvpair_t *
nvpair, int16_t *
val);
int nvpair_value_uint16(nvpair_t *
nvpair, uint16_t *
val);
int nvpair_value_int32(nvpair_t *
nvpair, int32_t *
val);
int nvpair_value_uint32(nvpair_t *
nvpair, uint32_t *
val);
int nvpair_value_int64(nvpair_t *
nvpair, int64_t *
val);
int nvpair_value_uint64(nvpair_t *
nvpair, uint64_t *
val);
int nvpair_value_string(nvpair_t *
nvpair, char **
val);
int nvpair_value_nvlist(nvpair_t *
nvpair, nvlist_t **
val);
int nvpair_value_byte_array(nvpair_t *
nvpair, uchar_t **
val, uint_t *
nelem);
int nvpair_value_int16_array(nvpair_t *
nvpair, int16_t **
val, uint_t *
nelem);
int nvpair_value_uint16_array(nvpair_t *
nvpair, uint16_t **
val, uint_t *
nelem);
int nvpair_value_int32_array(nvpair_t *
nvpair, int32_t **
val, uint_t *
nelem);
int nvpair_value_uint32_array(nvpair_t *
nvpair, uint32_t **
val, uint_t *
nelem);
int nvpair_value_int64_array(nvpair_t *
nvpair, int64_t **
val, uint_t *
nelem);
int nvpair_value_uint64_array(nvpair_t *
nvpair, uint64_t **
val, uint_t *
nelem);
int nvpair_value_string_array(nvpair_t *
nvpair, char ***
val, uint_t *
nelem);
int nvpair_value_nvlist_array(nvpair_t *
nvpair, nvlist_t ***
val, uint_t *
nelem);
INTERFACE LEVEL
PARAMETERS
-
nvpair
-
Name-value pair (nvpair) to be processed.
-
nelem
-
Address to store the number of elements in value.
-
val
-
Address to store the value or starting address of array value.
DESCRIPTION
These functions retrieve the value of nvpair.
The data type of nvpair must match the function name
for the call to be successful.
There is no nvpair_value_boolean(); the existence
of the name implies the value is true.
For array data types, including string, the memory containing the data
is managed by the library and references to the value remains valid until nvlist_free() is called on the nvlist_t from which nvpair is obtained. See nvlist_free(9F)
RETURN VALUES
-
0
-
Success
-
EINVAL
-
Either one of the arguments is NULL or type of nvpair
does not match the interface name.
CONTEXT
SunOS 5.9 Last Revised 1 May 2003
NAME
| SYNOPSIS
| INTERFACE LEVEL
| PARAMETERS
| DESCRIPTION
| RETURN VALUES
| CONTEXT