43 lines
772 B
C
43 lines
772 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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void usage(char *name)
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{
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fprintf(stderr, "usage: %s -i ethdevice\n", name);
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}
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int main(int argc, char **argv)
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{
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/* misc */
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int c;
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char *device = NULL;
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printf("IGMP packet generator\n\n");
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printf("Parsing command line...\n");
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while((c = getopt(argc, argv, "i:")) != EOF)
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{
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switch (c)
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{
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case 'i':
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printf(" Net interface = [%s]\n", optarg);
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device = optarg;
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break;
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default:
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usage(argv[0]);
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exit(1);
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}
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}
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if (!device)
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{
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usage(argv[0]);
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exit(EXIT_FAILURE);
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}
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printf("done\n");
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return 0;
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}
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