1 files changed, 3 insertions, 3 deletions
diff --git a/pcap.h b/pcap.h
index e951b2f..9e1736c 100644
--- a/pcap.h
+++ b/pcap.h
@@ -6,9 +6,9 @@
 #ifndef PCAP_H
 #define PCAP_H
 
-void pcap(char *pkt, size_t len);
-void pcapm(struct msghdr *mh);
-void pcapmm(struct mmsghdr *mmh, unsigned int vlen);
+void pcap(const char *pkt, size_t len);
+void pcapm(const struct msghdr *mh);
+void pcapmm(const struct mmsghdr *mmh, unsigned int vlen);
 void pcap_init(struct ctx *c);
 
 #endif /* PCAP_H */