PCAP_DATALINK_VAL_TO_NAME(3PCAP)PCAP_DATALINK_VAL_TO_NAME(3PCAP)NAME
pcap_datalink_val_to_name, pcap_datalink_val_to_description - get a name or description for a link-layer header type value
SYNOPSIS
#include <pcap.h>
const char *pcap_datalink_val_to_name(int dlt);
const char *pcap_datalink_val_to_description(int dlt);
DESCRIPTION
pcap_datalink_val_to_name() translates a link-layer header type value to the corresponding link-layer header type name. NULL is returned
on failure.
pcap_datalink_val_to_description() translates a link-layer header type value to a short description of that link-layer header type. NULL
is returned on failure.
22 August 2010 PCAP_DATALINK_VAL_TO_NAME(3PCAP)
Check Out this Related Man Page
PCAP_LIST_DATALINKS(3PCAP)PCAP_LIST_DATALINKS(3PCAP)NAME
pcap_list_datalinks, pcap_free_datalinks - get a list of link-layer header types supported by a capture device, and free that list
SYNOPSIS
#include <pcap/pcap.h>
int pcap_list_datalinks(pcap_t *p, int **dlt_buf);
void pcap_free_datalinks(int *dlt_list);
DESCRIPTION
pcap_list_datalinks() is used to get a list of the supported link-layer header types of the interface associated with the pcap descriptor.
pcap_list_datalinks() allocates an array to hold the list and sets *dlt_buf to point to that array.
The caller is responsible for freeing the array with pcap_free_datalinks(), which frees the list of link-layer header types pointed to by
dlt_list.
RETURN VALUE
pcap_list_datalinks() returns the number of link-layer header types in the array on success and -1 on failure. If -1 is returned,
pcap_geterr() or pcap_perror() may be called with p as an argument to fetch or display the error text.
SEE ALSO pcap(3PCAP), pcap_geterr(3PCAP), pcap_datalink_val_to_name(3PCAP), pcap-linktype(7)
22 August 2010 PCAP_LIST_DATALINKS(3PCAP)
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