Switch to C++ versions of standard C headers

src/tests/base64.cc

@@ -37,9 +37,9 @@
    client and server.  It does not particularly test any code written for
    the Mosh project. */
 
-#include <stdint.h>
-#include <string.h>
-#include <stdlib.h>
+#include <cstdint>
+#include <cstring>
+#include <cstdlib>
 
 #include "src/crypto/base64.h"
 #include "base64_vector.h"

src/tests/encrypt-decrypt.cc

@@ -34,10 +34,10 @@
    messages, interspersed with some random bad ciphertexts which we need to
    reject. */
 
-#include <stdio.h>
+#include <cstdio>
 
 #define __STDC_FORMAT_MACROS
-#include <inttypes.h>
+#include <cinttypes>
 
 #include "src/crypto/crypto.h"
 #include "src/crypto/prng.h"

src/tests/inpty.cc

@@ -32,13 +32,14 @@
 
 #include "src/include/config.h"
 
+#include <cerrno>
+#include <csignal>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+
 #include <sys/types.h>
 #include <sys/wait.h>
-#include <errno.h>
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
 #include <termios.h>
 #include <unistd.h>
 

src/tests/is-utf8-locale.cc

@@ -30,7 +30,7 @@
     also delete it here.
 */
 
-#include <stdio.h>
+#include <cstdio>
 
 #include "src/util/locale_utils.h"
 

src/tests/ocb-aes.cc

@@ -37,9 +37,9 @@
    client and server.  It does not particularly test any code written for
    the Mosh project. */
 
-#include <stdint.h>
-#include <string.h>
-#include <stdlib.h>
+#include <cstdint>
+#include <cstdlib>
+#include <cstring>
 #include <memory>
 
 #include "src/crypto/ae.h"

src/tests/test_utils.cc

@@ -30,7 +30,7 @@
     also delete it here.
 */
 
-#include <stdio.h>
+#include <cstdio>
 
 #include "test_utils.h"