CoolInterview.com - World's Largest Collection of Interview Questions & Answers, FAQs, queries, sample papers, exam papers, dumps, what, why, how, where, when questions
Interview Success Kit - Get Success in Job Interviews Interview Success Kit - 30,000 Interview Que. & Ans.
Covers 30,000+ Interview Questions asked in actual MNC Interviews - all with model answers.

Sponsored Links

Interview Questions
Our Services

INTERVIEW QUESTIONS C C BASICS DETAILS
Question :

Can you write a c program without using main function?

Posted by: mohammed nawaz on 12/19/2013

Contact mohammed nawaz Contact mohammed nawaz

Category C Basics Interview Questions
Rating (4.0) By 69 users
Added on 12/19/2013
Views 738
Rate it!


Answers:

Source: CoolInterview.com

we can write the programme without main but it can't run becuase linking is from main().
Source: CoolInterview.com



Posted by: Ameen

Contact Ameen Contact Ameen

Source: CoolInterview.com

yes,we can write c program without using main.
Source: CoolInterview.com



Posted by: c.karuppusamy

Contact c.karuppusamy Contact c.karuppusamy

Source: CoolInterview.com

WE CAN WRITE THE PROGRAM WITHOUT MAIN.BUT,IT WILL NOT RUN.BECAUSE,THE COMPILER PERFORMS THE TASK AFTER SEEING THE MAIN FUNCTION ONLY.OTHERWISE,IT SHOWS ERROR.
Source: CoolInterview.com



Posted by: k.sangeetha

Contact k.sangeetha Contact k.sangeetha

Source: CoolInterview.com

yes, we can write a c program without using main function. but it'll not be executed as the execution starts from the main function only.
Source: CoolInterview.com



Posted by: rashmi

Contact rashmi Contact rashmi

Source: CoolInterview.com

basically,i thought not to post uo solution here but i have seen the same query in many web sites and no proper solution is found
so IM posting here the solution for this tragedic question
1)its true,we can't write a C program without main function
2)IN THIS WORLD NOTHING IS IMPOSSIBLE HEHEHEHE.........
solution:
#include<stdio.h>

#define decode(s,t,u,m,p,e,d) m##s##u##t
#define begin decode(a,n,i,m,a,t,e)

int begin()
{
printf(? hello ?);
}
i listened people who said program will not get executed,DAMN stop such things.if you don't know plz shut your mouths and don't mislead readres plzzzzzzz
the above code works perfectly and if any1 need the explanation for that plz refer www.gohacking.com and in the right most side (below) see C SOURCE CODES coloumn and then read it there clearly.even after that if you have any doubts feel free to contact me at mani.konakandla@yahoo.com
Source: CoolInterview.com



Posted by: venkat

Contact venkat Contact venkat

Source: CoolInterview.com

otherwise try this one...

_start()
{
_exit(function_name())
}
void funtion_name()
{
printf("Without main
");
}


and compile this code like this..
$cc -nostartfile source_file.c
Source: CoolInterview.com



Posted by: Rao Sahab

Contact Rao Sahab Contact Rao Sahab

Source: CoolInterview.com

yeah ofcourse we can write a c prog without using main().,. but it leads to error in it's execution stage
Source: CoolInterview.com



Posted by: lol

Contact lol Contact lol

Source: CoolInterview.com

a program cannot be executed witout a main()function.Since te compiler starts compiling te program after te main()
Source: CoolInterview.com



Posted by: sukanya

Contact sukanya Contact sukanya

Source: CoolInterview.com

we can write the code without main() function. The code will gets compiled and during compilation it won't show any error but while executing it show an error saying LINKER ERROR.
Source: CoolInterview.com



Posted by: deepak

Contact deepak Contact deepak

Source: CoolInterview.com

Yes we can write a C Program without writing main()

see this

#include<stdio.h>
#include<conio.h>
#pragma start show()

void show()
{
printf("Hello");
}

Source: CoolInterview.com



Posted by: Swesh Mishra

Contact Swesh Mishra Contact Swesh Mishra

Source: CoolInterview.com

yes you can write a program without main but in short just like this

#include<stdio.h>
#include<conio.h>
{
printf("stupids we can do anything");
}
Source: CoolInterview.com



Posted by: sanjana

Contact sanjana Contact sanjana

Source: CoolInterview.com

yes we can write c prog without using main() but it will not run because the prog execution always begins with the main() function.
so it will give an error.
Source: CoolInterview.com



Posted by: abhinav kumar singh

Contact abhinav kumar singh Contact abhinav kumar singh

Source: CoolInterview.com

The compilation process always starts from the first line of your source code and the compiler checks only syntax, if you don't have a main() not at all a problem. But if you want to execute that you need main(). Check how we are going to create a header file are we going to place a main() in a header file.
Source: CoolInterview.com



Posted by: venkatesh

Contact venkatesh Contact venkatesh

Source: CoolInterview.com

No we conn't write c program with out using main().Because it shows error in its run time.
Source: CoolInterview.com



Posted by: Latthi.k

Contact Latthi.k Contact Latthi.k

Source: CoolInterview.com

#include<stdio.h>

#define decode(s,t,u,m,p,e,d) m##s##u##t
#define begin decode(a,n,i,m,a,t,e)

int begin()
{
printf(? without main ?);
}
Source: CoolInterview.com



Posted by: naresh

Contact naresh Contact naresh

Source: CoolInterview.com

main is not compulsory, every C program needs an entry point so it can be main, pain, slain or anything else, in embedded systems the low level startup code jumps to main, u can change it to something else, similar in visual studio or turbo C u need to find out a compile directive to change the default jump to main.
and to correct the above answers it is not an runtime error, it is linking error
Source: CoolInterview.com



Posted by: shrads

Contact shrads Contact shrads

Source: CoolInterview.com

yes, we can write c program without main function ,but this program can't execute without main function.
some errors can you found.
so, boy you write with main....,
Source: CoolInterview.com



Posted by: ritu raj

Contact ritu raj Contact ritu raj

Source: CoolInterview.com

Ya it is not possible to execute a C program without main though u can compile it successfully.
Compiler will check for only syntactical errors.
It never bother about whether the main is present in the program or not.
It is possible to execute a program without main in java but not in C.
Source: CoolInterview.com



Posted by: Ravinder Reddy

Contact Ravinder Reddy Contact Ravinder Reddy

Source: CoolInterview.com

we can write a c program without main function using PreProcessors.

#define k 5
#define n 12
#if (n>k) printf("n is big campare to k ");
#elif printf("n is small campare to k");
#endif
Source: CoolInterview.com



Posted by: Bharat kumar .G

Contact Bharat kumar .G Contact Bharat kumar .G

Source: CoolInterview.com

Hi Friends..

See the above code which is posted by Venkat..That code will works but at there also internally void()methods called by the processor.
Source: CoolInterview.com



Posted by: Kiran Kuma Kala

Contact Kiran Kuma Kala Contact Kiran Kuma Kala

Source: CoolInterview.com

yes, we can write but in the linking time it will throw error
undefined reference to main
ld returned one exit status
Source: CoolInterview.com



Posted by: iranna

Contact iranna Contact iranna

Source: CoolInterview.com

according to me,program can be written without main() but it will not run because before runing the program compiler will not compile the program without main().
Source: CoolInterview.com



Posted by: vikash chesi

Contact vikash chesi Contact vikash chesi

If you have the better answer, then send it to us. We will display your answer after the approval.
Rules to Post Answers in CoolInterview.com:-

  • There should not be any Spelling Mistakes.
  • There should not be any Gramatical Errors.
  • Answers must not contain any bad words.
  • Answers should not be the repeat of same answer, already approved.
  • Answer should be complete in itself.
  • Name :*
    Email Id :*
    Answer :*
    Verification Code Code Image - Please contact webmaster if you have problems seeing this image code Not readable? Load New Code
    Process Verification Enter the above shown code: *
    Inform me about updated answers to this question

    Related Questions
    View Answer
    Tell me answer for this statement
    printf("printf("aim")");
    View Answer
    Difference between :- 1) C and C++
    2) main() in c and main() in c++ ?
    View Answer
    What is :- Asembler , compiler , Preprocessor , laxical analysis , parsing ?
    View Answer
    How can we use data connectivity in 'c' language?
    View Answer
    Write a program for result management system of a college ?
    View Answer
    Is it possible to print graphics output in C?
    View Answer
    How can C programs run without header files?
    View Answer
    What is c graphics?
    View Answer
    write a program for printing when i press a key next to the letter in the alphabetical order can be printed
    View Answer
    how to create relation calculator program using c language
    View Answer
    how to create love flames program using c language
    View Answer
    Can anyone please tell me about a website from which I could install Turbo C (compiler) for free??
    View Answer
    What is the use of semicolon at the end of every statement?
    View Answer
    What are the packages in c?
    View Answer
    What is object file? How can you access object file?
    View Answer
    Is there anything you can do in C++ that you cannot do in C ?
    View Answer
    What is an abstract base class?
    View Answer
    What is the difference between compile time error and run time error?
    View Answer
    What is the difference between #include <file> and #include �file�
    View Answer
    When we access the integer and the character variables without declaring them in program?and Why?
    View Answer

    Please Note: We keep on updating better answers to this site. In case you are looking for Jobs, Pls Click Here Vyoms.com - Best Freshers & Experienced Jobs Website.

    View ALL C Basics Interview Questions & Answers

    User Options
    India News Network

    Latest 20 Questions
    what is the maximum segment length of a 100Base-FX network?
    What is mesh topology?
    What is IPv6?
    What is one basic requirement for establishing VLANs?
    When it comes to networking, what are rights?
    What protocols fall under the TCP/IP Internet Layer?
    What is the role of IEEE in computer networking?
    What is sneakernet?
    Explain profile in terms of networking concept?
    What can be done to fix signal attenuation problems?
    What is one advantage of mesh topology?
    What do mean by tunnel mode?
    Explain the importance of authentication.
    How are IP addresses arranged and displayed?
    What is the importance of Encryption on a network?
    What is multicast routing ?
    What is the importance of Encryption on a network?
    What is multicast routing?
    What is SMTP?
    What is the difference between CSMA/CD and CSMA/CA?



    Fresher Jobs | Experienced Jobs | Government Jobs | Walkin Jobs | Company Profiles | Interview Questions | Placement Papers | Companies In India | Consultants In India | Colleges In India | Exams In India | Latest Results | Notifications In India | Call Centers In India | Training Institutes In India | Job Communities In India | Courses In India | Jobs by Keyskills | Jobs by Functional Areas

    Testing Articles | Testing Books | Testing Certifications | Testing FAQs | Testing Downloads | Testing Interview Questions | Testing Jobs | Testing Training Institutes

    Gate Articles | Gate Books | Gate Colleges | Gate Downloads | Gate Faqs | Gate Jobs | Gate News | Gate Sample Papers | Gate Training Institutes

    MBA Articles | MBA Books | MBA Case Studies | MBA Business Schools | MBA Current Affairs | MBA Downloads | MBA Events | MBA Notifications | MBA FAQs | MBA Jobs
    MBA Job Consultants | MBA News | MBA Results | MBA Courses | MBA Sample Papers | MBA Interview Questions | MBA Training Institutes

    GRE Articles | GRE Books | GRE Colleges | GRE Downloads | GRE Events | GRE FAQs | GRE News | GRE Training Institutes | GRE Sample Papers

    IAS Articles | IAS Books | IAS Current Affairs | IAS Downloads | IAS Events | IAS FAQs | IAS News | IAS Notifications | IAS UPSC Jobs | IAS Previous Question Papers
    IAS Results | IAS Sample Papers | IAS Interview Questions | IAS Training Institutes | IAS Toppers Interview

    SAP Articles | SAP Books | SAP Certifications | SAP Companies | SAP Study Materials | SAP Events | SAP FAQs | SAP Jobs | SAP Job Consultants
    SAP Links | SAP News | SAP Sample Papers | SAP Interview Questions | SAP Training Institutes |




    Copyright ©2003-2016 CoolInterview.com, All Rights Reserved.
    Privacy Policy | Terms and Conditions



    Cache = 0.012695 Seconds