Emulate `readlink' for DJGPP versions before 2.04.

 src/msdos.c (readlink) [DJGPP < 2.04]: New stub function.
 src/msdos.h: (readlink) [DJGPP < 2.04]: Declare prototype.

1 files changed, 5 insertions, 0 deletions

diff --git a/src/msdos.h b/src/msdos.h
index 6b076c1722b..4bbe9b134de 100644
--- a/src/msdos.h
+++ b/src/msdos.h
@@ -40,6 +40,11 @@ void mouse_init (void);
 void mouse_on (void);
 void mouse_off (void);
 void mouse_moveto (int, int);
+
+#if __DJGPP__ == 2 && __DJGPP_MINOR__ < 4
+int readlink (const char *, char *, size_t);
+#endif
+
 
 #ifndef HAVE_X_WINDOWS
 /* Dummy types.  */