X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/3ae121c94f0dfaeba5938de26931c49e29677d0a..a85c067ba6c6940512cf57ec213277a370d87e70:/src/src/osfunctions.h

diff --git a/src/src/osfunctions.h b/src/src/osfunctions.h
index 0e429fc8c..454e9f77f 100644
--- a/src/src/osfunctions.h
+++ b/src/src/osfunctions.h
@@ -2,8 +2,10 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2009 */
+/* Copyright (c) University of Cambridge 1995 - 2016 */
+/* Copyright (c) The Exim Maintainers 2020 */
 /* See the file NOTICE for conditions of use and distribution. */
+/* SPDX-License-Identifier: GPL-2.0-only */
 
 /* Prototypes for os-specific functions. For utilities, we don't need the one
 that uses a type that isn't defined for them. */
@@ -33,10 +35,10 @@ extern const char   *os_strexit(int);     /* char to match os_strsignal */
 extern const char   *os_strsignal(int);   /* char to match strsignal in some OS */
 #endif
 #ifndef os_unsetenv
-extern int           os_unsetenv(const char *);
+extern int           os_unsetenv(const uschar *);
 #endif
 #ifndef os_getcwd
-extern char*         os_getcwd(char *, size_t);
+extern uschar       *os_getcwd(uschar *, size_t);
 #endif
 
 /* End of osfunctions.h */