What is the difference between functions abs() and fabs()?

C Programming Language > Overview of C Language > Basic Structure of C Programming

Short Question

1473

Answer:

These 2 functions basically perform the same action, which is to get the absolute value of the given value. Abs() is used for integer values, while fabs() is used for floating type numbers. Also, the prototype for abs() is under , while fabs() is under .

Go to Question List

This Particular section is dedicated to Question & Answer only. If you want learn more about C Programming Language. Then you can visit below links to get more depth on this subject.

C Syllabus

C Tutorial

C Chapterwise Programs

C Chapterwise MCQs

C Chapterwise Q & A

C Free Videos

# C Tutorials # JAVA Tutorials # HTML Tutorials # Computer Fundamental # Data Structure # DBMS Tutorials SQL # C# Language # R Language # PHP # Python # Vue JS

Join Our telegram group to ask Questions

Click below button to join our groups.

Ask Question - CSE

Programming Language - PDF

Related Program List

463. What are global variables and how do you declare them?

Answer: Global variables are variables that can be accessed and manipulated anywhere in the program. To make a variable global, place the variable declaration on the upper portion of the program, just after the preprocessor directives section.

# Tutorial: Variable Introduction in C

Question: Variable in C Language Short

464. What are enumerated types?

Answer: Enumerated types allow the programmer to use more meaningful words as values to a variable. Each item in the enumerated type variable is actually associated with a numeric code. For example, one can create an enumerated type variable named DAYS whose values are Monday, Tuesday

# Tutorial: Introduction to Operator

Question: Operators and Enums in C Language Short

465. What does the function toupper() do?

Answer: It is used to convert any letter to its upper case mode. Toupper() function prototype is declared in . Note that this function will only convert a single character, and not an entire string.

# Tutorial: Function in C

Question: Function in C Language Short

466. Is it possible to have a function as a parameter in another function?

Answer: Yes, that is allowed in C programming. You just need to include the entire function prototype into the parameter field of the other function where it is to be used.

# Tutorial: Function in C

Question: Function in C Language Short

467. What are multidimensional arrays?

Answer: Multidimensional arrays are capable of storing data in a two or more dimensional structure. For example, you can use a 2 dimensional array to store the current position of pieces in a chess game, or position of players in a tic-tac-toe program.

# Tutorial: Multi-Dimensional Array in C

Question: Array in C Language Short

468. Which function in C can be used to append a string to another string?

Answer: The strcat function. It takes two parameters, the source string and the string value to be appended to the source string.

# Tutorial: strcat() function

Question: String functions in C Short

469. What is the difference between functions getch() and getche()?

Answer: Both functions will accept a character input value from the user. When using getch(), the key that was pressed will not appear on the screen, and is automatically captured and assigned to a variable. When using getche(), the key that was pressed by the user will appear on the screen, while at the same time being assigned to a variable.

# Tutorial: Function in C

Question: Function in C Language Short

470. What are structure types in C?

Answer: Structure types are primarily used to store records. A record is made up of related fields. This makes it easier to organize a group of related data

# Tutorial: Structure in C

Question: Structure in C Language Short

471. What does the characters "r" and "w" mean when writing programs that will make use of files?

Answer: "r" means "read" and will open a file as input wherein data is to be retrieved. "w" means "write", and will open a file for output. Previous data that was stored on that file will be erased.

# Tutorial: File Operation in c

Question: File Input/Output Short

472. What is the difference between text files and binary files?

Answer: Text files contain data that can easily be understood by humans. It includes letters, numbers and other characters. On the other hand, binary files contain 1s and 0s that only computers can interpret.

# Tutorial: File Operation in c

Question: File Input/Output Short

Chapterwise Java Program
Chapterwise C Program
Chapterwise Data Structure Program