stub in initial libtls standalone tree

libtls-standalone/include/string.h

@@ -0,0 +1,28 @@
+/*
+ * Public domain
+ * string.h compatibility shim
+ */
+
+#include_next <string.h>
+
+#ifndef LIBCRYPTOCOMPAT_STRING_H
+#define LIBCRYPTOCOMPAT_STRING_H
+
+#include <sys/types.h>
+
+#if defined(__sun) || defined(__hpux)
+/* 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 and HPUX.
+ */
+#include <strings.h>
+#endif
+
+#ifndef HAVE_EXPLICIT_BZERO
+void explicit_bzero(void *, size_t);
+#endif
+
+#ifndef HAVE_STRSEP
+char *strsep(char **stringp, const char *delim);
+#endif
+
+#endif