(gamegrid-add-score): Add info to docstring.

[gnu-emacs] / src / mem-limits.h

diff --git a/src/mem-limits.h b/src/mem-limits.h
index 1028d7ff5adcf7424378f354bc9ed1760215e6c6..3ba8f3ceaf8c5f274327bea7efe74b5ce250c787 100644 (file)
--- a/src/mem-limits.h
+++ b/src/mem-limits.h
@@ -20,6 +20,7 @@ Boston, MA 02111-1307, USA.  */
 
 #ifdef MSDOS
 #include <dpmi.h>
+extern int etext;
 #endif
 
 /* Some systems need this before <sys/resource.h>.  */
@@ -45,6 +46,10 @@ extern int etext, __data_start; weak_extern (__data_start)
 #define BSD4_2
 #endif
 
+#ifdef CYGWIN
+#define BSD4_2
+#endif
+
 #ifndef BSD4_2
 #ifndef USG
 #ifndef MSDOS
@@ -79,12 +84,18 @@ extern POINTER start_of_data ();
 #define EXCEEDS_LISP_PTR(ptr) ((EMACS_UINT) (ptr) >> VALBITS)
 #endif
 
+#ifdef DATA_START
+#define start_of_data() ((char *)DATA_START)
+#endif
+
 #ifdef BSD_SYSTEM
 #ifndef DATA_SEG_BITS
+#ifndef DATA_START
 extern char etext;
 #define start_of_data() &etext
 #endif
 #endif
+#endif
 
 #else  /* not emacs */
 extern char etext;