- {"private-key", required_argument, 0, 'p'}, \
- {"certificate", required_argument, 0, 'c'}, \
- {"ca-cert", required_argument, 0, 'C'}
+ {"private-key", required_argument, NULL, 'p'}, \
+ {"certificate", required_argument, NULL, 'c'}, \
+ {"ca-cert", required_argument, NULL, 'C'}