本人参照linux 0.1内核源代码写的printf函数的实现,支持 c, s, o, d, x, f的打印输出-I am the light of linux 0.1 kernel source code to write to achieve the printf function in support of c, s, o, d, x, f print output

The GNU C Library project provides the core libraries for the GNU system and GNU/Linux systems, as well as many other systems that use Linux as the kernel. These libraries provide critical APIs including ISO C11, POSIX.1-2008, BSD, OS-specific APIs a