Concepts of Programming Languages (11th Edition)
11th Edition
ISBN: 9780133943023
Author: Robert W. Sebesta
Publisher: PEARSON
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Chapter 5, Problem 10PS
Consider the following C program
void fun (void) {
int a, b, c; /* defiinition.1 */
. . .
while (. . .)
int b, c, d; /* definition 2 */
. . . <---------------------- 1
while (…) {
int c, d, e; /* definition 3 */
. . . <------------------2
}
. . .<------------------3
}
. . . <------------------4
}
For each of the four marked points in this function, list each visible variable, along with the number of the definition statement that defines it.
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private void put(int cell,int player) { int i=-1,j=-1;; switch(cell) { case 1:i=2;j=0;break; case 2:i=2;j=1;break; case 3:i=2;j=2;break; case 4:i=1;j=0;break; case 5:i=1;j=1;break; case 6:i=1;j=2;break; case 7:i=0;j=0;break; case 8:i=0;j=1;break; case 9:i=0;j=2;break; default:display(overridegrid);return; } char mark='x'; if(player==0) mark='o'; grid[i][j]=mark; display(grid); } private int startGame() { init(); display(grid); int status=playingid; while(status==playingid) { put(playerMove(),0); if(override==1) { System.out.println("O wins."); return playerid; } status=checkForWin(); if(status!=playingid) break; try{Thread.sleep(1000);}catch(Exception e){System.out.print(e.getMessage());} put(compMove(),1); status=checkForWin(); } return status; } private void init() { movesPlayer=""; override=0; marks=new int[8][6]; wins=new int[][] //new int[8][3]; weights=new int[]{3,2,3,2,4,2,3,2,3}; grid=new…
#include<stdio.h> #include<stdarg.h> void fun1(int num, ...); void fun2(int num, ...); int main() { fun1(1, "Apple", "Boys", "Cats", "Dogs"); fun2(2, 12, 13, 14); return 0; } void fun1(int num, ...) { char *str; va_list ptr; va_start(ptr, num); str = va_arg(ptr, char *); printf("%s ", str); } void fun2(int num, ...) { va_list ptr; va_start(ptr, num); num = va_arg(ptr, int); printf("%d", num); }.
Chapter 5 Solutions
Concepts of Programming Languages (11th Edition)
Ch. 5 - Prob. 1RQCh. 5 - Prob. 2RQCh. 5 - Prob. 3RQCh. 5 - Which category of C++ reference variables always...Ch. 5 - Prob. 5RQCh. 5 - Prob. 6RQCh. 5 - Prob. 7RQCh. 5 - Prob. 8RQCh. 5 - What are the advantages and disadvantages of...Ch. 5 - Prob. 10RQ
Ch. 5 - Prob. 11RQCh. 5 - Prob. 12RQCh. 5 - How is a reference to a nonlocal variable in a...Ch. 5 - What is the general problem with static scoping?Ch. 5 - What is the referencing environment of a...Ch. 5 - Prob. 16RQCh. 5 - What is a block?Ch. 5 - What is the purpose of the let constructs in...Ch. 5 - What is the difference between the names defined...Ch. 5 - Prob. 20RQCh. 5 - Prob. 21RQCh. 5 - What are the advantages of named constants?Ch. 5 - Which of the following identifier forms is most...Ch. 5 - Prob. 2PSCh. 5 - Write a simple assignment statement with one...Ch. 5 - Prob. 4PSCh. 5 - Describe a situation when a history-sensitive...Ch. 5 - Consider the following C program void fun (void) {...Ch. 5 - Consider the following skeletal C program: void...Ch. 5 - Which of the following identifier forms is most...Ch. 5 - Prob. 2PECh. 5 - Write a simple assignment statement with one...
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