意法半导体软件试题
a test for the c programming language
i. history
1. c inally designed for and implemented on the ( system on the dec pdp-11, by (le 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 , static variables 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 key .
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 re code is a segment of c program.
..........
void func(int p)
{...........}
..........
main()
{
int num=0;
.........
func(&num);
........
}
..........
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