Assuming that the disk file foobar.txt consists of the six ASCII characters foobar, what is the output
Question:
Assuming that the disk file foobar.txt consists of the six ASCII characters foobar, what is the output of the following program?
Transcribed Image Text:
1 #include "csapp.h" 2 3 4 5 6 7 8 9 10 11 12 13 14 15 int main() { } int fd1, fd2; char c; fd1 = Open ("foobar.txt", fd2 = Open ("foobar.txt", Read (fd2, &c, 1); Dup2 (fd2, fd1); Read (fd1, &c, 1); printf ("c %c\n", c); exit(0); = O_RDONLY, 0); O_RDONLY, 0);
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 100% (3 reviews)
At first glance you migh...View the full answer
Answered By
Ashok Kumar Malhotra
Chartered Accountant - Accounting and Management Accounting for 15 years.
QuickBooks Online - Certified ProAdvisor (Advance - QuickBooks Online for 3 years.
5.00+
3+ Reviews
10+ Question Solved
Related Book For
Computer Systems A Programmers Perspective
ISBN: 9781292101767
3rd Global Edition
Authors: Randal E. Bryant, David R. O'Hallaron
Question Posted:
Students also viewed these Computer science questions
-
As before, suppose the disk file foobar.txt consists of the six ASCII characters foobar. Then what is the output of the following program? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 #include "csapp.h" int...
-
You are required to write a Python program that will manage character (heroes and villain) information. Character (hero and villain) information will be stored in a text file that will be read in...
-
FILE SYSTEMS Q13) (File Systems) One way to use contiguous allocation of the disk and not suffer from holes is to compact (defragment) the disk every time a file is removed. Since all files are...
-
Organizational buyers are ________.
-
The Eagle Feather Fabric Company expects to complete the current year with the following financial results ($000). Forecast next year using a modified percentage of sales method assuming no dividends...
-
A currency trader observes that in the spot exchange market, 1 U.S. dollar can be exchanged for 3.4 Israeli shekels or for 106 Japanese yen. What is the cross-exchange rate between the yen and the...
-
A solar electric engine operating between \(5^{\circ} \mathrm{C}\) and \(95^{\circ} \mathrm{C}\) has an efficiency equal to one-half the Carnot efficiency. This engine is to drive a \(4...
-
Given the rapid rate of change in both information technologies and business environments, do you believe that extensive information resource planning efforts are worthwhile for most organizations?...
-
Dona works in Alberta. Her annual salary $52,500.00 paid on a weekly basis. The company provides her benefit package for group term life insurance, coverage 2 times annual salary, premium rate $0.89...
-
How would you use dup2 to redirect standard input to descriptor 5?
-
Describe a reference pattern that results in severe external fragmentation in an allocator based on simple segregated storage.
-
Below are grade point averages for 25 randomly chosen university business students during a recent semester. Research question: Are the mean grade point averages the same for students in these four...
-
The Francis Company is expected to pay a dividend of D1 = $1.20 per share at the end of the year, and that dividend is expected to grow at a constant rate of 6.00% per year in the future. The...
-
Cash equation [LO 18.3] Balarang Lid has an equity value of $ 13 315. Non-current debt is $8200. Net working capital, other than cash, is $2750. Non-current assets are $17 380. How much cash does the...
-
Ladder Co. is expected to pay a dividend of $2.65 per share, one year from today. The company will increase its dividend by 10 percent per year for the following two years (dividends received two...
-
People are constantly making first impressions in social, personal, and professional situations. What is a situation where you think it is especially important to make a positive first impression?...
-
Find fx, fy, and fx. The symbol 2 is the Greek letter lambda. f(x, y, ) = x + y - 2(3x + 7y-17) = fx - = fx =
-
Equal moles of sulfur dioxide gas and oxygen gas are mixed in a flexible reaction vessel and then sparked to initiate the formation of gaseous sulfur trioxide. Assuming that the reaction goes to...
-
United Business Forms capital structure is as follows: Debt ............................................ 35% Preferred stock ........................... 15 Common equity .......................... 50...
-
When processor designers consider a possible improvement to the processor datapath, the decision usually depends on the cost/performance trade-off . In the following three problems, assume that we...
-
Problems in this exercise assume that logic blocks needed to implement a processors datapath have the following latencies: 1. If the only thing we need to do in a processor is fetch consecutive...
-
For the problems in this exercise, assume that there are no pipeline stalls and that the breakdown of executed instructions is as follows: 1. In what fraction of all cycles is the data memory used?...
-
You are required to prepare costed rosters for Marino Bottle-O, a standalone liquor store with a drive through facility for a one-week period : Wage costs must represent 20% or below of projected...
-
For this activity you will analyze the 2022 and 2021 annual reports of Canadian Tire Corporation. The site at which you may find the annual reports is: Canadian Tire Corporation...
-
Overview the resource article Reinventing Internal Controls in the Digital Age. brief summary of the AIS used at your place of employment and the types of data your organization collects/uses. If you...
Study smarter with the SolutionInn App