The calloc() function changes the memory size of multiple block of requested memory. True O False The freel) function requires one parameter indicating the name of the pointer variable. True O False File handling in C allow you to read a file. True O False
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- (Data processing) Write a C++ program that reads the file created in Exercise 4 one record at a time, asks for the number of hours each employee worked each month, and calculates and displays each employee’s total pay for the month.In C++ Create a function that checks to see if a file existsInstructions Write a C/C++ program that calculates the least squares line for two sets of values. The program consists of several functions which are described below. int ReadFile (int *, int *); Write a function that reads the contents of a text file (Data1.txt) into two separate integer arrays. The function receives two integer pointers to arrays as parameters. The contents of the text file that is attached is structured as follows: Each line in the file contains two values that are separated by a comma. The values on the left of the comma, are stored in one array and the values on the right side is stored in the other array. The number of lines that are read from the file and stored in the arrays are returned to the calling statement. Tip: a single fscanf can read into multiple variables. Ex. the statement fscanf(fp, "%s %s\n", name,surname) will read the line John Doe and save the name and surname separately. (Note the space between %s and %s indicates that there is a space in the…
- In C++ Ask the user for three friends names, store the names in an array. Output the array to a file called FRIENDS.In C programming, write a program that creates a file in C and appends the following details from the user: Student Number: Name: Course: Age: Note: Use struct to store the input values from the user and same struct be used to append its values to the created file.Write a C/C++ program that calculates the least squares line for two sets of values. The program consists of several functions which are described below. The first function you need to write: int ReadFile (int *, int *); Write a function that reads the contents of a text file (Data1.txt) into two separate integer arrays. The function receives two integer pointers to arrays as parameters. The contents of the text file that is attached is structured as follows: Each line in the file contains two values that are separated by a comma. The values on the left of the comma, are stored in one array and the values on the right side is stored in the other array. The number of lines that are read from the file and stored in the arrays are returned to the calling statement. Tip: a single fscanf can read into multiple variables. Ex. the statement fscanf(fp, "%s %s\n", name,surname) will read the line John Doe and save the name and surname separately. (Note the space between %s and %s indicates…
- In C++.......Write a program which prints the absolute value of 5 complex numbers (values read from file) and then sorts them from maximum to minimum. Read the values from a file. Use the following structure struct Complex { float x , y ; }; struct Complex read ( ) ; void Display( struct Complex a ) ; struct Complex AbsoluteValue ( struct Complex a ) ;create a function it takes a file name as an arguments and returns whether it exist or not, if it then it's a folder or a file. This task is from shell scrptingIn C language, write the following two functions maintaining a database of entries of type song in a file. Here is the definition of the struct song: typedef struct { char* title; char* artist; int year; } song; int add_song(const char* file_name, const song s); 1. The function gets the name of a file, and a song. If the song is not in the file, the function adds it to the file and returns 1. Otherwise, the function does not modify the file and returns 0. song* find_song(const char* file_name, const char* title); 2. The function gets the name of a file and a title of a song. It searches the file for the song with the given title. If a song is found, it returns a pointer to the song with all the details. If not found, the function returns NULL. You may assume the song titles are unique. Additional instructions and hints: 1. For the instructions on how to read and write to files see section "C Programming Files" in https://www.programiz.com/c-programming or…
- In C language, write the following two functions maintaining a database of entries of type song in a file. Here is the definition of the struct song: typedef struct { char* title; char* artist; int year; } song; int add_song(const char* file_name, const song s); 1. The function gets the name of a file, and a song. If the song is not in the file, the function adds it to the file and returns 1. Otherwise, the function does not modify the file and returns 0. song* find_song(const char* file_name, const char* title); 2. The function gets the name of a file and a title of a song. It searches the file for the song with the given title. If a song is found, it returns a pointer to the song with all the details. If not found, the function returns NULL. You may assume the song titles are unique. Additional instructions and hints: 1. For the instructions on how to read and write to files see section "C Programming Files" in https://www.programiz.com/c-programming or…Question 1 of 1: Word Swap: Write a C++ program that will swap the words Caesar and Brutusin the file “source_file.txt”. You will need to load the file “source_file.txt” and finally write theupdated contents with the replaced words to the file “target_file.txt”.Successful operation should swap all occurrences of Caesar with Brutus and Brutus with Caesar.You can use functions from the cstring library. You are not allowed to use the string datatype. Once again, do not use string datatype.Please properly comment your code before submission.Question 1 of 1: Word Swap: Write a C++ program that will swap the words Caesar and Brutusin the file “source_file.txt”. You will need to load the file “source_file.txt” and finally write theupdated contents with the replaced words to the file “target_file.txt”.Successful operation should swap all occurrences of Caesar with Brutus and Brutus with Caesar.You can use functions from the cstring library. You are not allowed to use the string datatype.Please properly comment your code before submission.
