the standard header files, so we use "uschar". Solaris has u_char in
sys/types.h. This is just a typing convenience, of course. */
-typedef int BOOL;
typedef unsigned char uschar;
+typedef int BOOL;
+/* We also have SIGNAL_BOOL, which requires signal.h be included, so is defined
+elsewhere */
/* These macros save typing for the casting that is needed to cope with the