stand-alone tests. */
#ifndef STAND_ALONE
-int (*lwr_receive_getc)(void) = stdin_getc;
+int (*lwr_receive_getc)(unsigned) = stdin_getc;
int (*lwr_receive_ungetc)(int) = stdin_ungetc;
-int (*receive_getc)(void) = stdin_getc;
+int (*receive_getc)(unsigned) = stdin_getc;
void (*receive_get_cache)(void)= NULL;
int (*receive_ungetc)(int) = stdin_ungetc;
int (*receive_feof)(void) = stdin_feof;