diff --git a/src/network/net_pcap.c b/src/network/net_pcap.c
index 83823cf5d..00509798a 100644
--- a/src/network/net_pcap.c
+++ b/src/network/net_pcap.c
@@ -81,15 +81,15 @@ struct bpf_program {
 
 typedef struct pcap_if	pcap_if_t; 
 
-typedef struct timeval {
+typedef struct net_timeval {
     long		tv_sec;
     long		tv_usec;
-} timeval;
+} net_timeval;
 
 #define PCAP_ERRBUF_SIZE	256
 
 struct pcap_pkthdr {
-    struct timeval	ts;
+    struct net_timeval	ts;
     bpf_u_int32		caplen;
     bpf_u_int32		len;
 };
diff --git a/src/network/slirp/ip_input.c b/src/network/slirp/ip_input.c
index 7f017a238..e04d1506d 100644
--- a/src/network/slirp/ip_input.c
+++ b/src/network/slirp/ip_input.c
@@ -38,6 +38,7 @@
 
 #include "slirp.h"
 #include "ip_icmp.h"
+#include <stddef.h>
 
 static struct ip *ip_reass(Slirp *slirp, struct ip *ip, struct ipq *fp);
 static void ip_freef(Slirp *slirp, struct ipq *fp);
diff --git a/src/network/slirp/mbuf.c b/src/network/slirp/mbuf.c
index 54ec721eb..e59db76d8 100644
--- a/src/network/slirp/mbuf.c
+++ b/src/network/slirp/mbuf.c
@@ -14,6 +14,7 @@
  */
 
 #include "slirp.h"
+#include <stddef.h>
 
 #define MBUF_THRESH 30
 
diff --git a/src/network/slirp/misc.c b/src/network/slirp/misc.c
index 78515cbda..371212b34 100644
--- a/src/network/slirp/misc.c
+++ b/src/network/slirp/misc.c
@@ -4,6 +4,7 @@
  */
 
 #include "slirp.h"
+#include <stdbool.h>
 #ifdef G_OS_UNIX
 #include <sys/un.h>
 #endif
@@ -366,7 +367,7 @@ char *slirp_connection_info(Slirp *slirp)
                                so->so_rcv.sb_cc, so->so_snd.sb_cc);
     }
 
-    return g_string_free(str, FALSE);
+    return g_string_free(str, false);
 }
 
 int slirp_bind_outbound(struct socket *so, unsigned short af)