2 files changed, 6 insertions, 4 deletions

diff --git a/lib/hypnodata.cc b/lib/hypnodata.cc
index a64b7d7..376c7ff 100644
--- a/lib/hypnodata.cc
+++ b/lib/hypnodata.cc
@@ -1,26 +1,27 @@
-#include <stdlib.h>
-#include <string.h>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
 #include <napkin/exception.h>
 #include <napkin/util.h>
 #include <napkin/types.h>
 
 namespace napkin {
 
     void hypnodata_t::clear() {
         to_bed = alarm = 0;
         data_a = window = 0;
         almost_awakes.clear();
     }
 
     static time_t from_minute_w3c(const string& w3c) {
         struct tm t; memset(&t,0,sizeof(t)); t.tm_isdst=-1;
         if(sscanf(w3c.c_str(),"%04d-%02d-%02dT%02d:%02d",
                 &t.tm_year,&t.tm_mon,&t.tm_mday,&t.tm_hour,&t.tm_min)!=5)
             throw exception("failed to parse w3c time");
         --t.tm_mon;t.tm_year-=1900;
         time_t rv = mktime(&t);
         if(rv==(time_t)-1)
             throw exception("failed to mktime()");
         return rv;
     }
 
diff --git a/lib/st-decode.cc b/lib/st-decode.cc
index b354250..81cbb8f 100644
--- a/lib/st-decode.cc
+++ b/lib/st-decode.cc
@@ -1,26 +1,27 @@
-#include <stdlib.h>
-#include <string.h>
+#include <stdint.h>
+#include <cstdlib>
+#include <cstring>
 #include <stdexcept>
 #include <numeric>
 #include <napkin/exception.h>
 #include <napkin/st/decode.h>
 
 namespace napkin {
     namespace sleeptracker {
         using std::invalid_argument;
         using std::runtime_error;
 
         struct st_time_t {
             uint8_t hour;
             uint8_t min;
         };
         struct st_date_t {
             uint8_t month;
             uint8_t day;
             uint8_t dow;
         };
         struct st_fulltime_t {
             uint8_t hour;
             uint8_t min;
             uint8_t sec;
         };