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snmp_pdu_create()

Create an SNMP Protocol Data Unit message structure

Synopsis:

#include <sys/types.h>
#include <netinet/in.h>
#include <snmp/snmp.h>
#include <snmp/asn1.h>
#include <snmp/snmp_api.h>
#include <snmp/snmp_client.h>

extern int snmp_errno;

struct snmp_pdu * snmp_pdu_create (int command );

Arguments:

command
The type of message that the PDU represents:

as defined in <snmp/snmp.h>.

Library:

libsnmp

Use the -l snmp option to qcc to link against this library.

Description:

The snmp_pdu_create() function allocates memory for a Protocol Data Unit (PDU) structure for SNMP message passing. The PDU structure is initialized with default values; see the documentation for snmp_pdu.

Returns:

A pointer to the PDU structure created, or NULL if an error occurs (snmp_errno is set).

Errors:

If an error occurs, this function sets snmp_errno to:

SNMPERR_GENERR
Not enough memory to create the snmp_pdu structure.

Classification:

SNMP

Safety:
Cancellation point No
Interrupt handler No
Signal handler No
Thread No

See also:

snmp_free_pdu(), snmp_pdu, snmp_read(), snmp_send()

Based on RFC 1157, FAQ in Internet newsgroup comp.protocols.snmp

Marshall T. Rose, The Simple Book: An Introduction to Internet Management, Revised 2nd ed. (Prentice-Hall, 1996, ISBN 0-13-451659-1)


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