https://www.cnblogs.com/yanghong-hnu/p/4705755.html
bss段:
bss段(bss segment)通常是指用来存放程序中未初始化的全局变量的一块内存区域。
bss是英文Block Started by Symbol的简称。
bss段属于静态内存分配。...
Differences between Newlib and Newlib-Nano include:
Newlib-Nano is optimized for size.
The printf and scanf family of routines have been re-implemented in Newlib-Nano to remove a direct dependency on the floating-...