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pcap_list_tstamp_types, pcap_free_tstamp_types - get a list of time stamp types supported by a capture device, and free that list

#include <pcap/pcap.h>

int pcap_list_tstamp_types(pcap_t *p, int **tstamp_typesp);
void pcap_free_tstamp_types(int *tstamp_types);

pcap_list_tstamp_types() is used to get a list of the supported time stamp types of the interface associated with the pcap descriptor. pcap_list_tstamp_types() allocates an array to hold the list and sets *tstamp_typesp to point to the array. See pcap-tstamp (@MAN_MISC_INFO@) for a list of all the time stamp types.

The caller is responsible for freeing the array with pcap_free_tstamp_types() , which frees the list pointed to by tstamp_types .

pcap_list_tstamp_types() returns the number of time stamp types in the array on success and PCAP_ERROR on failure. A return value of zero means that you cannot specify a time stamp type; you are limited to the capture device's default time stamp type. If PCAP_ERROR is returned, pcap_geterr() or pcap_perror() may be called with p as an argument to fetch or display the error text. pcap(3PCAP), pcap_geterr(3PCAP), pcap_tstamp_type_val_to_name(3PCAP), pcap-tstamp(@MAN_MISC_INFO@)