What is null pointer, Computer Engineering

Assignment Help:

What is NULL POINTER

Inside main, a FILE * called file. Afterwards, the fopen function, passing it the path to data file, as well as "r", only intending to read from the file.  If the file was successfully opened, file would point to that file, else it'll point to nothing (a pointer that points to nothing is called a NULL POINTER).

 


Related Discussions:- What is null pointer

Define the emphasis on object structure, Define the Emphasis on Object Stru...

Define the Emphasis on Object Structure Emphasis on Object Structure, not on Operation Implementation In object orientation the importance is on specifying the qualities

Manipulating logical expressions, Digital circuits also manipulate logicale...

Digital circuits also manipulate logicalexpressione.g. IF account is in credit THEN allow phoneto make calls.So a digital circuit must determine if somethingis TRUE or FALSE. Norma

Angle of elevation and depression, in building a suspension bridge a cable ...

in building a suspension bridge a cable is to be stretched from the top of a pier to a point 852.6 ft. from it''s foot. if from this point the angle of elevation of the top of the

What is delay system, What is Delay System? Delay System: A class of ...

What is Delay System? Delay System: A class of telecommunication networks like data a network that places the call or message arrivals in a queue in the lack of resources, an

Differences between a database index and a match code, What are the differe...

What are the differences between a Database index and a match code? Match code can have fields from several tables whereas an index can have fields from only one table.

Find out lowest propagation delay time in logic family, Which the digital l...

Which the digital logic family has the lowest propagation delay time ? Ans. ECL is the digital logic family that has the lowest propagation delay time. In ECL lowest propagati

How the characters used in operand data type, Q. How the Characters used in...

Q. How the Characters used in operand data type? A common form of data is character or text strings. Characters are signified in numeric form mostly in ASCII (American Standard

Input - output devices using device controller, Q. Input - output Devices u...

Q. Input - output Devices using Device Controller? A device controller needs not to necessarily control a single device. It can typically control multiple I/O devices. It come

Data manipulation is essential, Based on the variables, construct a design ...

Based on the variables, construct a design that haves only main effects of one categorical IV and at least 2 continuous DVs. Discuss what you think the relationship is among the de

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd