Programming in C
4th Edition
ISBN: 9780321776419
Author: Stephen G. Kochan
Publisher: Addison-Wesley
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Chapter 10, Problem 11E
Given the definition of a d structure as defined in this chapter, write a function called d that takes a pointer to a d structure as its argument and that updates the structure to the following day (see
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Create a program in C as follows:- Declare four floats as a1, a2, a3 and a4- Create a menu as follows:Option T to ask the user for and assign values to each of a1, a2, a3, and a4.Option V to call a function named cat that has four pointers of type float as parametersand no return. The function will sort, in ascending order, the values in a1, a2, a3 and a4.Option B to call a function named mouse that has four pointers of type float asparameters and no return. The function will sort, in descending order, the values in a1,a2, a3 and a4.Option K to call a function named dog that has four floats as parameters and no return.This function will print to the screen each of the values in a1, a2, a3 and a4 in aformatted manner (right justified with a field width of 12).Ex:a1 = 23.65a2 = 99.22a3 = 1.56a4 = 0.50Option X to exit the program.
In C++, If you had the double-pointer above and also had these variables:
type x, * q;
And had executed these statements:
q = &x; p = &q;
How would a function given p by value be able to change the contents of x?
Consider the following structure definition and solve the following problems. 1. Write a C program that will read all the information from a file named “mobileInfo.txt” and initialize the SmartPhone type array. 2. Write a function that will find all the devices from a specific country and print the information using the function printMobileInfo. call the printMobileInfo from countryWisePhone function. Use the prototypes below -void countryWisePhone( SmartPhone mobileList[], int size, char *country); void printMobileInfo(SmartPhone mobile); 3. Write a function that will print all the information in the main of a specific smart phone and delete all the information from the file and update that file. Use the function prototype – void deletePhone( SmartPhone mobileList[], int size, SmartPhone *highestPricePhone, int phoneID);
Chapter 10 Solutions
Programming in C
Ch. 10 - Type in and run the 15 programs presented in this...Ch. 10 - Write a function called to insert a new entry into...Ch. 10 - Prob. 3ECh. 10 - Write a function called r to remove an e from a...Ch. 10 - Prob. 5ECh. 10 - Prob. 6ECh. 10 - Prob. 7ECh. 10 - Prob. 8ECh. 10 - Prob. 9ECh. 10 - Prob. 10E
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- Write a program that performs the following procedures: 01. Structure stores marks of 7 courses with total marks and grades. 02. Get data from the user and store it inside the structure by returning from a user-defined function. 03. Calulate's the grade by passing the pointer of the total marks variable to the user-defined Grade Calculator function. 04. Calculates the grade and store it inside the structure's grade attribute. 05. Prints that structure data of marks and grades. do it in c++ languagearrow_forwardPlease answer in C++ Define a structure called Date with month, day and year as its only data members, Time with hour and minute as its only members and Event with desc (a c-string for description of maximum size 80), date (of type Date) and time (of type Time). Write a readEvents() function that will keep asking the user if he or she wants to add a new event. As long as the user answers with a 'y' or 'Y', allocate memory dynamically for an Event structure, storing the pointer returned by new in the array of Event pointers and then read the Event data from the keyboard and store them in the Event just created. Dates should be entered like 5/21/20 and times as 10:15. When finished entering the Events, the function will return the number of Events entered. Write a sort-desc() function to sort the Events by their description by rearranging the pointers (rather than the structures), by passing it the array of pointers and the number of Events created. Use a swapPtrs() function to swap…arrow_forwardWrite a C++ Program to create a pointer that points to a structure. It is similar to how pointers pointing to native data types like int, float, double, etc. are created. A pointer in C++ will store a memory location. Following steps should be followed to perform a task. • Start of the body of the struct name Length. • Create a struct member named meters of integer data type and centimeters of float data type. • End of the body of the struct Length. • Call the main () function. • Create a pointer variable *ptr and normal variable l of type Length. Store the address of variable l in our pointer variable. • Take user input of meter and centimeter through *ptr. • Print the length in meters and in centimeters through using *ptr.arrow_forward
- 5 . A function may contain more than one return statements. True False 6 . _____ Keyword introduces a structure declaration. True False 7 . Same names can be used for different functions without any conflict. True False 8 . The variables commonly used in C functions are availableto all the functions in a program. True False 9 . Members of different structures must have unique names. True False 10 . How can we return control from a called function to the caller function a. struct b. return c. printfarrow_forward11 . A variable that’s known only within the function in which it’s defined is called a(n). a. Local Variable b. Global Variable 12 . The _______ of an identifier is the portion of the program in which the identifier can be used. a. Function Definition b. Function Declaration c. Function Call d. Function Return 13 . What is the only function all C++ programs must contain? a. start() b. system() c. main() d. program() 14 . A pointer variable contains as its value of another variable. True Falsearrow_forwardThe Task: Create a pointer to a function that takes an integer argument and returns an array of pointers to functions that accept a string argument and return an integer.Whew! You have to read the specification at least three times to realise you don't comprehend it.How do you handle such complication?arrow_forward
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