C language homework, I won't do-CodePudding

String encryption: all number for an even number of words in English sentences for encryption processing, encryption rule is: if the word begins with a - n (case-insensitive), will be composed of all the letters of the word cycle shift to the left, if begin with o - z, cycle moves to the right time, to save the encrypted string to a file,
For example: This is a desk.
Encryption is: sthi si eskd a.

CodePudding user response:

refer to the original poster qq_45899827 response:

string encryption: all number for an even number of words in English sentences for encryption processing, encryption rule is: if the word begins with a - n (case-insensitive), will be composed of all the letters of the word cycle shift to the left, if begin with o - z, cycle moves to the right time, to save the encrypted string to a file,
For example: This is a desk.
Encryption is: sthi si a eskd.

Answers and ChongXie