--- libcoro/coro.c	2006/10/26 05:20:47	1.20
+++ libcoro/coro.c	2006/10/26 06:50:20	1.21
@@ -178,8 +178,21 @@
 # elif CORO_LOSER
 
   setjmp (ctx->env);
+#if __CYGWIN__
   ctx->env[7] = (long)((char *)sptr + ssize);
   ctx->env[8] = (long)coro_init;
+#elif defined(_M_IX86)
+  ((_JUMP_BUFFER *)&ctx->env)->Eip   = (long)coro_init;
+  ((_JUMP_BUFFER *)&ctx->env)->Esp   = (long)STACK_ADJUST_PTR (sptr,ssize);
+#elif defined(_M_AMD64)
+  ((_JUMP_BUFFER *)&ctx->env)->Rip   = (__int64)coro_init;
+  ((_JUMP_BUFFER *)&ctx->env)->Rsp   = (__int64)STACK_ADJUST_PTR (sptr,ssize);
+#elif defined(_M_IA64)
+  ((_JUMP_BUFFER *)&ctx->env)->StIIP = (__int64)coro_init;
+  ((_JUMP_BUFFER *)&ctx->env)->IntSp = (__int64)STACK_ADJUST_PTR (sptr,ssize);
+#else
+#error "microsoft libc or architecture not supported"
+#endif
 
 # elif CORO_LINUX