4 files changed, 5 insertions, 5 deletions
diff --git a/src/builtins/builtin.h b/src/builtins/builtin.h
index 75dff8d..f9a4cea 100644
--- a/src/builtins/builtin.h
+++ b/src/builtins/builtin.h
@@ -54,9 +54,9 @@ extern const int		builtin_dir_count;
 extern const BuiltinAliasRec	builtin_alias[];
 extern const int		builtin_alias_count;
 
-extern FontFilePtr	BuiltinFileOpen (char *);
+extern FontFilePtr	BuiltinFileOpen (const char *);
 extern int		BuiltinFileClose (BufFilePtr, int);
-extern int BuiltinReadDirectory (char *, FontDirectoryPtr *);
+extern int BuiltinReadDirectory (const char *, FontDirectoryPtr *);
 extern void BuiltinRegisterFontFileFunctions (void);
 
 extern void BuiltinRegisterFpeFunctions (void);
diff --git a/src/builtins/dir.c b/src/builtins/dir.c
index 490e7e3..0225bfc 100644
--- a/src/builtins/dir.c
+++ b/src/builtins/dir.c
@@ -148,7 +148,7 @@ BuiltinAliasesRestore (BuiltinAliasPtr a_cur_tab,
 }
 
 int
-BuiltinReadDirectory (char *directory, FontDirectoryPtr *pdir)
+BuiltinReadDirectory (const char *directory, FontDirectoryPtr *pdir)
 {
     FontDirectoryPtr	dir;
     int			i;
diff --git a/src/builtins/file.c b/src/builtins/file.c
index 3f657d9..93527c1 100644
--- a/src/builtins/file.c
+++ b/src/builtins/file.c
@@ -90,7 +90,7 @@ BuiltinClose (BufFilePtr f, int unused)
 
 
 FontFilePtr
-BuiltinFileOpen (char *name)
+BuiltinFileOpen (const char *name)
 {
     int		    i;
     BuiltinIOPtr    io;
diff --git a/src/builtins/fpe.c b/src/builtins/fpe.c
index 689f22a..4f5d4cf 100644
--- a/src/builtins/fpe.c
+++ b/src/builtins/fpe.c
@@ -32,7 +32,7 @@ static int  font_file_type;
 static const char builtin_fonts[] = "built-ins";
 
 static int
-BuiltinNameCheck (char *name)
+BuiltinNameCheck (const char *name)
 {
     return (strcmp (name, builtin_fonts) == 0);
 }