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1. Declare an integer pointer and then request memory using malloc() for an array of 2 integers. This means that you should request memoryfor a size of 2 times the size of an integer and assignit to int_ptr.Useman 3 mallocfordetails on this system call. 2. If the malloc () system call failed to return memory, print out a meaningful error message and terminate the program. 3. Prompt the user to enter the first integer using printf and then read in the user's response using scanf, storing the integer in the first element of the integer array allocated in step 1. 4. Prompt the user to enter the second integer using printfand then read in the user's response using scanf, storing the integer in the second element of the integer array allocated in step 1. 5. Now, print out the original values of both the integers input by the user. 6. This next step is where the swapping is done: a. Usethebitwise XORoperator ^on both the array elements andassign the result to the firstelement. b. Usethe bitwise XOR operator ^ on both the array elements and assign the result to the second element. c. Usethe bitwise XOR operator ^on both the array elements and assign the result to the firstelement. 7. Now, printoutthe swapped values of both the integers input bythe user. 8. Finally, release the allocated memory using free ().

1. Declare an integer pointer and then request memory using malloc() for an array of 2 integers. This means that you should request memoryfor a size of 2 times the size of an integer and assignit to int_ptr.Useman 3 mallocfordetails on this system call. 2. If the malloc () system call failed to return memory, print out a meaningful error message and terminate the program. 3. Prompt the user to enter the first integer using printf and then read in the user's response using scanf, storing the integer in the first element of the integer array allocated in step 1. 4. Prompt the user to enter the second integer using printfand then read in the user's response using scanf, storing the integer in the second element of the integer array allocated in step 1. 5. Now, print out the original values of both the integers input by the user. 6. This next step is where the swapping is done: a. Usethebitwise XORoperator ^on both the array elements andassign the result to the firstelement. b. Usethe bitwise XOR operator ^ on both the array elements and assign the result to the second element. c. Usethe bitwise XOR operator ^on both the array elements and assign the result to the firstelement. 7. Now, printoutthe swapped values of both the integers input bythe user. 8. Finally, release the allocated memory using free ().

Computer Networking: A Top-Down Approach (7th Edition)
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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how to do this in c programming using only bitwise operators?

1. Declare an integer pointer and then request memory using malloc () for an array of2 integers. This means that you should request memoryfor a size of 2 timesthe size of an integer andassignitto int_ptr.Useman 3mallocfordetails on this system call. 2. If the malloc () system call failed to return memory, print out a meaningful error message and terminate the program. 3. Prompt the user to enter the first integer using printf and then read in the user's response using scanf, storing the integer in the first element of the integer array allocated in step 1. 4. Prompt the user to enter the second integer using printfand then read in the user's response using scanf, storing the integer in the second element of the integer array allocated in step 1. 5. Now, print out the original values of both the integers input by the user. 6. This next step is where the swapping is done: a. Use thebitwise XOR operator ^ on both the array elements and assign the result to the firstelement. b. Use the bitwise XOR operator ^ onboth the array elements and assign the result to the second element. Use the bitwise XORoperator ^on both the array elements and assign the result to the firstelement. 7. Now, printoutthe swapped values of both the integers inputbythe user. 8. Finally, release the allocated memory using free ( ).
Transcribed Image Text:1. Declare an integer pointer and then request memory using malloc () for an array of2 integers. This means that you should request memoryfor a size of 2 timesthe size of an integer andassignitto int_ptr.Useman 3mallocfordetails on this system call. 2. If the malloc () system call failed to return memory, print out a meaningful error message and terminate the program. 3. Prompt the user to enter the first integer using printf and then read in the user's response using scanf, storing the integer in the first element of the integer array allocated in step 1. 4. Prompt the user to enter the second integer using printfand then read in the user's response using scanf, storing the integer in the second element of the integer array allocated in step 1. 5. Now, print out the original values of both the integers input by the user. 6. This next step is where the swapping is done: a. Use thebitwise XOR operator ^ on both the array elements and assign the result to the firstelement. b. Use the bitwise XOR operator ^ onboth the array elements and assign the result to the second element. Use the bitwise XORoperator ^on both the array elements and assign the result to the firstelement. 7. Now, printoutthe swapped values of both the integers inputbythe user. 8. Finally, release the allocated memory using free ( ).
SAMPLE OUTPUT (user input shown in bold): $ .la.out Enter first integer: 571 Enter second integer: 18 Original values: 1st = Swapped values: 1st = $ .la.out 571 2nd = 18 18 2nd = 571 Enter first integer: -4 Enter second integer: 288 Original values: 1st = Swapped values: 1st = -4 2nd = 288 288 2nd = -4
Transcribed Image Text:SAMPLE OUTPUT (user input shown in bold): $ .la.out Enter first integer: 571 Enter second integer: 18 Original values: 1st = Swapped values: 1st = $ .la.out 571 2nd = 18 18 2nd = 571 Enter first integer: -4 Enter second integer: 288 Original values: 1st = Swapped values: 1st = -4 2nd = 288 288 2nd = -4
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