initial top-level import of subdirectories

include/string.h

@@ -0,0 +1,25 @@
+#include_next <string.h>
+
+#ifndef LIBCRYPTOCOMPAT_STRING_H
+#define LIBCRYPTOCOMPAT_STRING_H
+
+#include <sys/types.h>
+
+#ifdef __sun
+/* Some functions historically defined in string.h were placed in strings.h by
+ * SUS. Use the same hack as OS X and FreeBSD use to work around on Solaris.
+ */
+#include <strings.h>
+#endif
+
+size_t strlcpy(char *dst, const char *src, size_t siz);
+
+size_t strlcat(char *dst, const char *src, size_t siz);
+
+void explicit_bzero(void *, size_t);
+
+int timingsafe_bcmp(const void *b1, const void *b2, size_t n);
+
+int timingsafe_memcmp(const void *b1, const void *b2, size_t len);
+
+#endif