Suricata

The C99 types are uintX_t, not u_intX_t, see http://stackoverflow.com/questions/3103400/how-to-overcome-u-int8-t-vs-uint8-t-issue-efficiently for more background.

--- source-pcap-file.c.orig     2013-12-04 11:35:53.545719667 +1100
+++ source-pcap-file.c  2013-12-04 11:30:30.691176413 +1100
@@ -62,7 +62,7 @@

 typedef struct PcapFileGlobalVars_ {
     pcap_t *pcap_handle;
-    int (*Decoder)(ThreadVars *, DecodeThreadVars *, Packet *, u_int8_t *, u_int16_t, PacketQueue *);
+    int (*Decoder)(ThreadVars *, DecodeThreadVars *, Packet *, uint8_t *, uint16_t, PacketQueue *);
     int datalink;
     struct bpf_program filter;
     uint64_t cnt; /** packet counter */

And some more:

suricata-master/src root# grep u_int *
source-pfring.c:                (u_int)GET_PKT_DIRECT_MAX_SIZE(p),
source-pfring.c:                (u_int)GET_PKT_DIRECT_MAX_SIZE(p),
source-pfring.c:    u_int32_t version = 0;

--- source-pfring.c.orig        2013-12-04 11:37:03.296352692 +1100
+++ source-pfring.c     2013-12-04 11:38:49.820513195 +1100
@@ -304,12 +304,12 @@
         /* Depending on what compile time options are used for pfring we either return 0 or -1 on error and always 1 for success */
 #ifdef HAVE_PFRING_RECV_UCHAR
         int r = pfring_recv(ptv->pd, (u_char**)&GET_PKT_DIRECT_DATA(p),
-                (u_int)GET_PKT_DIRECT_MAX_SIZE(p),
+                (uint32_t)GET_PKT_DIRECT_MAX_SIZE(p),
                 &hdr,
                 LIBPFRING_WAIT_FOR_INCOMING);
 #else
         int r = pfring_recv(ptv->pd, (char *)GET_PKT_DIRECT_DATA(p),
-                (u_int)GET_PKT_DIRECT_MAX_SIZE(p),
+                (uint32_t)GET_PKT_DIRECT_MAX_SIZE(p),
                 &hdr,
                 LIBPFRING_WAIT_FOR_INCOMING);
 #endif /* HAVE_PFRING_RECV_UCHAR */
@@ -358,7 +358,7 @@
  */
 TmEcode ReceivePfringThreadInit(ThreadVars *tv, void *initdata, void **data) {
     int rc;
-    u_int32_t version = 0;
+    uint32_t version = 0;
     PfringIfaceConfig *pfconf = (PfringIfaceConfig *) initdata;
     unsigned int opflag;