Current state of my dtmail work.

Mostly #ifdefs and casts; also, do not redefine strcasestr().  This will
probably be needed for Linux too when compiling without -fpermissive.

cde/programs/dtmail/libDtMail/RFC/RFCMailValues.C

@@ -51,6 +51,7 @@
 #include <strings.h>
 #endif
 #include <ctype.h>
+#include <stdint.h>
 
 #include <DtMail/IO.hh>
 #include "RFCImpl.hh"
@@ -490,7 +491,9 @@ RFCValue::toDate(void)
 
 	new_time.tm_isdst = -1;
 	date.dtm_date = SafeMktime(&new_time);
-	date.dtm_tz_offset_secs = (int) timezone;
+#ifdef SVR4
+	date.dtm_tz_offset_secs = timezone;
+#endif
     }
     else {
 	// In this format, we should have a day of the month.
@@ -536,15 +539,19 @@ RFCValue::toDate(void)
 
 	time_t offset = parseTZ(token_begin[this_token], token_end[this_token]);
 
-	time_t orig_zone = (time_t) timezone;
+#ifdef SVR4
+	time_t orig_zone = timezone;
 	timezone = offset;
+#endif
 	// Tell "mktime" to figure "dst" on or not.
 	new_time.tm_isdst = -1;
 
 	date.dtm_date = SafeMktime(&new_time);
 	date.dtm_tz_offset_secs = offset;
 
+#ifdef SVR4
 	timezone = orig_zone;
+#endif
     }
 
     return(date);