tidying: char signedness

[exim.git] / src / src / osfunctions.h

diff --git a/src/src/osfunctions.h b/src/src/osfunctions.h
index a8e87fc3e433928c0ff7be5387b64eba1cfe6d5e..4e6e9a91c9e86db3ece888d0ca13b897ffc91de3 100644 (file)
--- a/src/src/osfunctions.h
+++ b/src/src/osfunctions.h
@@ -33,10 +33,10 @@ 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 */