size_t FMT_P(uint_base)(char *ptr, unsigned int val, char base);
size_t FMT_P( int_base)(char *ptr, int val, char base);
-size_t FMT_P(xuint) (char *ptr, unsigned int val, char base);
-size_t FMT_P( xint) (char *ptr, int val, char base);
+size_t FMT_P(xuint) (char *ptr, unsigned int val);
+size_t FMT_P( xint) (char *ptr, int val);
struct timeval;
size_t FMT_P(tai64n)(char *ptr, struct timeval const *now);