1 files changed, 13 insertions, 10 deletions
diff --git a/icmp_client.h b/icmp_client.h
index 78cfe7a..3474f5d 100644
--- a/icmp_client.h
+++ b/icmp_client.h
@@ -3,21 +3,24 @@
 #include "icmp.h"
 
 
-struct icmp_client_incoming {
-	const uint8_t *data;  // points to internal buffer
-	size_t length;  // length of 'data'
-
-	int id, seqnum;
-};
-
 // Returns -1 on error with errno.
 int icmp_client_open_socket(void);
 
+// Returns {.data=NULL} on error with errno.
+// Receives only ECHOREPLY.
+struct icmp_incoming icmp_client_receive(int sock);
+
+// Only actual IPv4 addresses allowed. Sends data in 'data' with length 'length'.
+int icmp_client_send(
+		int sock, uint32_t addr,
+		int seqnum,
+		const void *data, size_t length);
+
 // Only actual IPv4 addresses allowed. Sends data in 'data' with length 'length', and
 // returns pointer to internal buffer with reply data. Buffer is invalidated on next
 // call to the function.
 // Returns {.data=NULL} on error with errno.
-struct icmp_client_incoming icmp_client_communicate(
-		int sock, const char *ip_address,
-		int id, int seqnum,
+struct icmp_incoming icmp_client_communicate(
+		int sock, uint32_t addr,
+		int seqnum,
 		const void *data, size_t length);