diff --git a/lib/libncurses/curses.h b/lib/libncurses/curses.h
index bafef7539cc1..74289b96cb52 100644
--- a/lib/libncurses/curses.h
+++ b/lib/libncurses/curses.h
@@ -253,7 +253,7 @@ extern int tputs(const char *,int,int (*)(int));
 extern int typeahead(int);
 extern int ungetch(int);
 extern int vidattr(chtype);
-extern int vidputs(chtype,int (*)(char));
+extern int vidputs(chtype,int (*)(int));
 extern int vwscanw(WINDOW *,char *,va_list);
 extern int vwprintw(WINDOW *,char *,va_list);
 extern int waddch(WINDOW *,chtype);
diff --git a/lib/libncurses/curses.priv.h b/lib/libncurses/curses.priv.h
index 4652ff502b3d..ed747ea0ba86 100644
--- a/lib/libncurses/curses.priv.h
+++ b/lib/libncurses/curses.priv.h
@@ -46,7 +46,7 @@ extern char *visbuf(const char *);
 #define TR(n, a)
 #endif
 
-extern int _outch(char);
+extern int _outch(int);
 extern void init_acs(void);
 extern void tstp(int);
 extern WINDOW *makenew(int, int, int, int);
diff --git a/lib/libncurses/lib_doupdate.c b/lib/libncurses/lib_doupdate.c
index 9ef3667e642e..fcab8e5b0d74 100644
--- a/lib/libncurses/lib_doupdate.c
+++ b/lib/libncurses/lib_doupdate.c
@@ -95,7 +95,7 @@ static inline void GoTo(int row, int col)
 	SP->_curscol = col; 
 }
 
-int _outch(char ch)
+int _outch(int ch)
 {
 	if (SP != NULL)
   		putc(ch, SP->_ofp);
@@ -183,7 +183,7 @@ sigaction_t act, oact;
 
 static int move_right_cost = -1;
 
-static int countc(char c)
+static int countc(int c)
 {
 	return(move_right_cost++);
 }
diff --git a/lib/libncurses/lib_vidattr.c b/lib/libncurses/lib_vidattr.c
index 9151e308604b..b2fee871b7c4 100644
--- a/lib/libncurses/lib_vidattr.c
+++ b/lib/libncurses/lib_vidattr.c
@@ -44,7 +44,7 @@
 #include "curses.priv.h"
 #include "terminfo.h"
 
-static void do_color(int pair, int  (*outc)(char))
+static void do_color(int pair, int  (*outc)(int))
 {
 int fg, bg;
 
@@ -69,7 +69,7 @@ int fg, bg;
 
 #define previous_attr SP->_current_attr
 
-int vidputs(chtype newmode, int  (*outc)(char))
+int vidputs(chtype newmode, int  (*outc)(int))
 {
 chtype	turn_off = (~newmode & previous_attr) & ~A_COLOR;
 chtype	turn_on  = (newmode & ~previous_attr) & ~A_COLOR;