A while loop is used and will terminate when user will press esc key. To get the characters a function getche() is used conio.h which will store in char variable and store into the file using putc() function. On pressing esc to avoid any other cha

关于《离散数学》的程序，以及txt的编码文档（自己编写的）-About " Discrete Mathematics" program, as well as txt file encoding (write your own)