Clang: Include what you use

examples/C/grib_keys_iterator.c

@@ -22,9 +22,6 @@
 #include <stdio.h>
 #include <string.h>
 
-#if !(defined(_WIN32) && defined(_MSC_VER))
-#include <unistd.h>
-#endif
 
 #include "eccodes.h"
 

src/grib_accessor_class_from_scale_factor_scaled_value.c

@@ -15,7 +15,7 @@
 
 #include "grib_api_internal.h"
 #include <math.h>
-#include <stdint.h>
+
 /*
    This is used by make_class.pl
 

tests/grib_encode_pthreads.c

@@ -9,7 +9,6 @@
  */
 #include <stdio.h>
 #include <stdlib.h>
-#include <time.h>
 #include <pthread.h>
 #include <assert.h>
 #include "grib_api.h"

tests/grib_multi_from_message.c

@@ -15,9 +15,6 @@
 #include "grib_api_internal.h"
 #include <assert.h>
 
-#ifndef ECCODES_ON_WINDOWS
-#include <unistd.h>
-#endif
 
 static void usage(const char* prog)
 {

tests/grib_sh_ieee64.c

@@ -7,7 +7,7 @@
  * In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
  * virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
  */
-#include <stdlib.h>
+
 #include <stdio.h>
 #include <string.h>
 

tigge/tigge_name.c

@@ -23,7 +23,6 @@
 #include <grib_api.h>
 #include <errno.h>
 #include <string.h>
-#include <math.h>
 #include <sys/types.h>
 #include "tigge_tools.h"
 

tigge/tigge_split.c

@@ -23,7 +23,6 @@
 #include <grib_api.h>
 #include <errno.h>
 #include <string.h>
-#include <math.h>
 #include <sys/types.h>
 
 #ifndef ECCODES_ON_WINDOWS

tigge/tigge_tools.c

@@ -15,8 +15,6 @@
 #include "tigge_tools.h"
 #include "eccodes_windef.h"
 
-#include <sys/types.h>
-
 #ifndef ECCODES_ON_WINDOWS
   #include <dirent.h>
 #else