Question

What is the output of this C code?

#include <stdio.h>
    int main()
    {
        char *str = "hello, world\n";
        printf("%d", strlen(str));
 
    }

a.

Compilation error

b.

Undefined behaviour

c.

13

d.

11

Posted under C Programming

Answer: (c).13

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. What is the output of this C code?

Add Comment

Similar Questions

Discover Related MCQs

Q. Strcat function adds null character

View solution

Q. Which of the following library function is not case-sensitive?

View solution

Q. The following expression can be substituted for

if (isalpha(c) && isdigit(c))

View solution

Q. Which of the following will return a non-zero value when checked with isspace(c)?

View solution

Q. Which is true about isaplpha(c), where c is an int that can be represented as an unsigned char or EOF.isalpha(c) returns?

View solution

Q. Which is true about isupper(c), where c is an int that can be represented as an unsigned char or EOF.isupper(c) returns?

View solution

Q. Which is true about isalnum(c), where c is an int that can be represented as an unsigned char or EOF.isalnum(c) returns?

View solution

Q. Which types of input are accepted in toupper(c)?

View solution

Q. What is the difference in the ASCII value of capital and non-capital of the same letter is?

View solution

Q. ungetc can be used only with getc.

View solution

Q. How many characters for pushback is guaranteed per file while using ungetc(c, fp);

View solution

Q. Which of the following is the correct syntax for calling function ungetc?
(Assume int c and FILE *fp)

View solution

Q. ungetc is used

View solution

Q. Which of the following the is the correct declaration for ungetc?

View solution

Q. Which of the following cannot be used with ungetc?

View solution

Q. What does the ungetc function return for the following expression?
ungetc(c, fp); //where declarations are int c and FILE *fp

View solution

Q. int ungetc(int c, FILE *fp) returns

View solution

Q. Only _____character of pushback is guaranteed per file when ungetc is used.

View solution

Q. ungetc may be used with

View solution

Q. The syntax for ungetc is

View solution

View All MCQs on C Programming

Suggested Topics

Are you eager to expand your knowledge beyond C Programming? We've curated a selection of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!

Python

Dive into one of the most popular languages with our Python MCQs. Understand...

Visual Basic

Enhance your knowledge of Microsoft's event-driven programming language with our...

Java Spring Framework

Enhance your Java development skills with our Spring Framework MCQs. Learn about...

MongoDB

Learn the leading NoSQL database with our MongoDB MCQs. Understand everything from...

Neural Networks

Dive into the world of Artificial Intelligence with our Neural Networks MCQs. Uncover...

Compiler Design

Unravel the process of translating source code into executable programs with our...

Internet of Things (IoT)

Discover how devices communicate with each other in the smart world with our IoT...

Cloud Computing

Stay on top of the biggest trend in IT with our Cloud Computing MCQs. These questions...

SQL Server

Master Microsoft's database server with our SQL Server MCQs. Topics cover database...