28 lines
509 B
C
28 lines
509 B
C
#include <stdio.h>
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#include <pcap.h>
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int main(int argc, char **argv) {
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char *device_name,errbuf[PCAP_ERRBUF_SIZE];
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pcap_t *handle;
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device_name=pcap_lookupdev(errbuf);
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if (device_name==NULL) {
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fprintf(stderr,"Can't find default device %s\n",errbuf);
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return -1;
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}
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printf("Using device: %s\n", device_name);
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handle=pcap_open_live(device_name, BUFSIZ, 1, 1000, errbuf);
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if (handle==NULL) {
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fprintf(stderr,"Couldn't open device %s: %s\n",
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device_name,errbuf);
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return -1;
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}
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return 0;
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}
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