#define ROUND(x) ((int)((x)+0.5))
#define N_ELEMENTS(x) (sizeof(x)/sizeof((x)[0]))
+#define new0(type) alloc0(sizeof(type))
+
/* Debug functions */
void util_init(void);
/* Stirng functions */
void strsub(char *str, char find, char repl);
+/* Memory functions */
+void *alloc0(int size);
+
/* Debug functions */
void debug(char *fmt, ...);
void error(char *fmt, ...);