C-Talk is interpreted scr ipting language with C-like syntax and dynamic type checking. Variables in C-Talk have no type. So there is no compile time type checking in C-Talk, all checking is performed at runtime. To preserve reference integrity, expl

简单的lex编程，详细见英文描述 Running the Lex program 1. Write the Lex specifications as described above in a file, say, prog1.l 2. On moon.cse.yzu.edu.tw, do the following: flex prog1.l (Produces lex.yy.c as the output) gcc lex.yy.c -lfl (Compi