为了某件事写了个小工具，顺手扔进FD工具箱中。 /* 输入十六进制，输出二进制 */#include <ctype.h> #include <stdio.h>#define H0 "0000 " #define H1 "0001 " #define H2 "0010 " #define H3 "0011 " #define H4 "0100 " #defin 继续阅读