Windows does not know of strigs.h or strcasecmp, so when in Windows,

make strcasecmp a macro to _stricmp.

apps/apps.c

@@ -59,7 +59,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <strings.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #define NON_MAIN
@@ -71,6 +70,12 @@
 #include <openssl/pkcs12.h>
 #include <openssl/safestack.h>
 
+#ifdef OPENSSL_SYS_WINDOWS
+#define strcasecmp _stricmp
+#else
+#include <strings.h>
+#endif
+
 #ifdef OPENSSL_SYS_WINDOWS
 #  include "bss_file.c"
 #endif

apps/ca.c

@@ -61,7 +61,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <strings.h>
 #include <ctype.h>
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -79,6 +78,12 @@
 #include <openssl/pem.h>
 #include <openssl/engine.h>
 
+#ifdef OPENSSL_SYS_WINDOWS
+#define strcasecmp _stricmp
+#else
+#include <strings.h>
+#endif
+
 #ifndef W_OK
 #  ifdef OPENSSL_SYS_VMS
 #    if defined(__DECC)