--- a/suitename.c
+++ b/suitename.c
@@ -25,7 +25,7 @@
 /*0.2.070628 triage reports zeta-1, epsilon-1, delta-1,... Ltriage codes */
 
 /****main()*******************************************************************/
-main(int argc, char** argv)
+int main(int argc, char** argv)
 {
    int  LOK=1,ibin=0,jclst=0;
    char sour[32];
--- a/suiteninit.c
+++ b/suiteninit.c
@@ -9,6 +9,8 @@
 #include "suiteninpt.h"
 #include "suitenout.h"
 
+#include <ctype.h>
+
 /****initializations()********************************************************/
 int  initializations(void)
 {
--- a/suitenutil.c
+++ b/suitenutil.c
@@ -6,6 +6,8 @@
 
 #include "suiteninit.h"
 
+#include <ctype.h>
+
 /****vector7ab()**************************************************************/
 void vector7ab(float* atob, float* a, float* b)
 {