+#ifndef TINC_PRF_H
+#define TINC_PRF_H
+
/*
prf.h -- header file for prf.c
Copyright (C) 2011-2013 Guus Sliepen <guus@tinc-vpn.org>
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#ifndef __TINC_PRF_H__
-#define __TINC_PRF_H__
-
-extern bool prf(const char *secret, size_t secretlen, char *seed, size_t seedlen, char *out, size_t outlen) __attribute__ ((__warn_unused_result__));
+extern bool prf(const char *secret, size_t secretlen, char *seed, size_t seedlen, char *out, size_t outlen) __attribute__((__warn_unused_result__));
#endif