大学作业，用GCC编写的C语言程序。string处理系统。用于对string赋值，string合并和其他功能。如输入：

set one "The cat"

set two "sat on the mat"

set sentence one + SPACE + two

append sentence " by itself."

print sentence

printwordcount sentence

printwords sentence

printlength sentence

list

exit

得到如下结果：

The cat sat on the mat by itself.

Wordcount is: 8

Words are:

The

cat

sat

on

the

mat

by

itself.

Length is: 33

Identifier list (3):

one: "The cat"

two: "sat on the mat"

sentence: "The cat sat on the mat by itself."

-University of operations, prepared by the GCC using C language program. String processing system. Assignment for the right string, string mergers and other functions. If input : set one, "The cat" set two "sat on the mat" set sent ence one SPACE two append sentence "by itself." print print sentence printwordcount sentence words sentence printlength sentence exit list The results are as follows : The cat sat on the mat by itself. Wordcount is : 8 Words are : The cat sat on the mat by itself. Length is : 33 Identifier list (3) : one : "The cat" two : "sat on the mat" sentence : "The cat sat on the mat by itself."