Answer the following questions (in this programming language, dynamic scoping is used). Please, include with each visible variable the name of the unit where it is declared. a) Assume that main() calls sub1(), sub1() calls sub3(). What variables are visible during execution of sub3()? b) Assume that main() calls sub2(), sub2() calls sub3(), sub3() calls sub1(). What variables are visible during execution of sub1()? c) Assume that main() calls sub1(), sub1() calls sub2(), sub2() calls sub3(). What variables are visible during execution of sub3()?
Answer the following questions (in this programming language, dynamic scoping is used). Please, include with each visible variable the name of the unit where it is declared. a) Assume that main() calls sub1(), sub1() calls sub3(). What variables are visible during execution of sub3()? b) Assume that main() calls sub2(), sub2() calls sub3(), sub3() calls sub1(). What variables are visible during execution of sub1()? c) Assume that main() calls sub1(), sub1() calls sub2(), sub2() calls sub3(). What variables are visible during execution of sub3()?
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question
Answer the following questions (in this
Please, include with each visible variable the name of the unit where it is declared.
a) Assume that main() calls sub1(), sub1() calls sub3(). What variables are visible during
execution of sub3()?
b) Assume that main() calls sub2(), sub2() calls sub3(), sub3() calls sub1(). What variables
are visible during execution of sub1()?
c) Assume that main() calls sub1(), sub1() calls sub2(), sub2() calls sub3(). What variables
are visible during execution of sub3()?
Transcribed Image Text:1 void sub1(void); /* prototype */
void sub2(void); /* prototype */
void sub3(void); /* prototype */
4
5- void main() {
int a, b, c;
7
printf("in main function \n"); //checkpoint 1
8 }
9
10 - void sub1(void) {
int b, c, d;
printf("in sub1 function \n"); // checkpoint 2
}
11
12
13
14
15 - void sub2(void) {
int c, d, e;
printf("in sub2 function \n"); // checkpoint 3
16
17
18 }
19
20 - void sub3(void) {
int d, e, f;
| 21
printf("in sub3 function \n"); // checkpoint 4
}
22
23
24
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