pcap_list_tstamp_types — Npcap API
#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(7) for a list of all the time stamp 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 one means that the only time stamp type supported is the one in the list, which is the capture device's default time stamp type. A return value of zero means that the only time stamp type supported is PCAP_TSTAMP_HOST, which is the capture device's default time stamp type (only older versions of libpcap will return that; newer versions will always return one or more types). If PCAP_ERROR is returned, pcap_geterr(3PCAP) or pcap_perror(3PCAP) may be called with p as an argument to fetch or display the error text.
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