Use C++-style headers where available

connection.cpp

@@ -21,7 +21,7 @@
 
 
 #include <iostream>
-#include <assert.h>
+#include <cassert>
 #include <malloc.h>
 #include "nethogs.h"
 #include "connection.h"

conninode.cpp

@@ -22,7 +22,7 @@
 
 #include <netinet/in.h>
 #include <map>
-#include <stdio.h>
+#include <cstdio>
 #include <stdlib.h>
 
 #include "nethogs.h"

cui.cpp

@@ -24,8 +24,8 @@
 #include <string>
 #include <pwd.h>
 #include <sys/types.h>
-#include <stdlib.h>
-#include <errno.h>
+#include <cstdlib>
+#include <cerrno>
 #include <cstdlib>
 #include <algorithm>
 

decpcap.c

@@ -25,7 +25,7 @@
 #include <netinet/ip.h>
 #include <netinet/ip6.h>
 #include <netinet/tcp.h>
-#include <string.h> // for memcpy
+#include <cstring> // for memcpy
 #include <pcap.h>
 #include "decpcap.h"
 

inode2prog.cpp

@@ -21,20 +21,19 @@
 
 
 #include <sys/types.h>
-#include <errno.h>
-#include <string.h>
+#include <cerrno>
+#include <cstring>
 #include <dirent.h>
 #include <ctype.h>
 #include <cstdlib>
 #include <iostream>
-#include <stdio.h>
-#include <stdlib.h>
+#include <cstdio>
 #include <unistd.h>
 #include <string>
 #include <map>
 #include <sys/stat.h>
 #include <fcntl.h>
-#include <limits.h>
+#include <climits>
 
 #include "inode2prog.h"
 

nethogs.cpp

@@ -22,15 +22,15 @@
 #include "nethogs.h"
 
 #include <iostream>
-#include <stdio.h>
-#include <stdlib.h>
-#include <assert.h>
+#include <cstdio>
+#include <cstdlib>
+#include <cassert>
 #include <unistd.h>
-#include <signal.h>
+#include <csignal>
 #include <string>
-#include <string.h>
+#include <cstring>
 #include <getopt.h>
-#include <stdarg.h>
+#include <cstdarg>
 
 #include <netinet/ip.h>
 #include <netinet/ip6.h>

nethogs.h

@@ -27,8 +27,8 @@
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <arpa/inet.h>
-#include <assert.h>
-#include <string.h>
+#include <cassert>
+#include <cstring>
 #include <malloc.h>
 #include <iostream>
 

packet.cpp

@@ -26,13 +26,13 @@
 #include <netinet/tcp.h>
 #include <netinet/in.h>
 #include <malloc.h>
-#include <assert.h>
+#include <cassert>
 #include <net/if.h>
 #include <net/ethernet.h>
 #include <netinet/ip.h>
 #include <netinet/ip6.h>
 #include <sys/ioctl.h>
-#include <stdio.h>
+#include <cstdio>
 // #include "inet6.c"
 
 local_addr * local_addrs = NULL;

process.h

@@ -23,7 +23,7 @@
 #ifndef __PROCESS_H
 #define __PROCESS_H
 
-#include <assert.h>
+#include <cassert>
 #include "nethogs.h"
 #include "connection.h"
 

refresh.cpp

@@ -21,7 +21,7 @@
 
 
 #include <iostream>
-#include <signal.h>
+#include <csignal>
 #include <unistd.h>
 #include "nethogs.h"