Fixes to make fish work on Cygwin. Firstly a bunch of minor fixes fo the wcs* fallback functions, secondly MSG_DONTWAIT (a socket flag) is set to zero if it isn't already defined

darcs-hash:20060126095706-ac50b-766c1e2c0408dc51fc7379af38005352f7603b1e.gz

fishd.c

@@ -73,6 +73,15 @@ time the original barrier request was sent have been received.
 #define UNIX_PATH_MAX 100
 #endif
 
+/**
+   Fallback if MSG_DONTWAIT isn't defined. That's actually prerry bad,
+   and may lead to strange fishd behaviour, but at least it should
+   work most of the time.
+*/
+#ifndef MSG_DONTWAIT
+#define MSG_DONTWAIT 0
+#endif
+
 /**
    Small greeting to show that fishd is running
 */