X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fcore%2Fao.h;h=54018b371a058d60ba888b8020c45bbbda41d70f;hb=b26e837a6f18641aae9372aab22168849ff10812;hp=1aff3d49e708d3d113a30be13f98d3a2c222462d;hpb=81648829defbaf49fc98c4520540f7a20c50c417;p=fw%2Faltos

diff --git a/src/core/ao.h b/src/core/ao.h
index 1aff3d49..54018b37 100644
--- a/src/core/ao.h
+++ b/src/core/ao.h
@@ -599,10 +599,10 @@ ao_monitor_init(void) __reentrant;
  * ao_stdio.c
  */
 
-#define AO_READ_AGAIN	((char) -1)
+#define AO_READ_AGAIN	(-1)
 
 struct ao_stdio {
-	char	(*pollchar)(void);
+	int	(*pollchar)(void);
 	void	(*putchar)(char c) __reentrant;
 	void	(*flush)(void);
 	uint8_t	echo;
@@ -621,7 +621,7 @@ uint8_t
 ao_echo(void);
 
 int8_t
-ao_add_stdio(char (*pollchar)(void),
+ao_add_stdio(int (*pollchar)(void),
 	     void (*putchar)(char) __reentrant,
 	     void (*flush)(void)) __reentrant;