A Test for The C Programming Language

　　I. History

　　1. C was originally designed for and implemented on the (what) operating system on the DEC PDP-11, by (who) .

　　2. The most recently approved ANSI/ISO C standard was issued in (when), and single line　comments notation “//” is or isn’t a feature of C89.

　　II. Syntax and Semantics 1.In a runtime C program, auto variables are stored in , staticvariables　are stored in , and function parameters are stored in .

　　a. stack b. heap c. neither stack nor heap

　　2. The statement “extern int x;” is a , and the keyword extern is used during .

　　a. variable declaration b. variable definition　c. compilation time d. runtime

　　3. There is a complicated declaration: void ( * signal (int, void(*)(int)) ) (int);If a statement “typedef void (*p) (int);” is given,please rewrite this　complicated declaration.

　　4. The following code is a segment of C program.