Function mi_thread_stats_print_out 

pub unsafe extern "C" fn mi_thread_stats_print_out(
    out: mi_output_fun,
    arg: *mut c_void,
)

Print out heap statistics for this thread.

Pass None for out to use the default. If out is provided, arc is passed as it’s second parameter

Most detailed when using a debug build.

Note: This function is thread safe.