_iscntrl
_isdigit
_isgraph
_iscntrl
_isdigit
_isgraph
-calloc
-malloc
-realloc
-free
+_heap
+_calloc
+_malloc
+_realloc
+_free
serial
_autobaud
_startup
serial
_autobaud
_startup
printfl
printf_large
printf_fast
printfl
printf_large
printf_fast
printf_tiny
sprintf
vprintf
printf_tiny
sprintf
vprintf