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

C program, #how to write c program for all types of beam reactions

#how to write c program for all types of beam reactions

What is a co-processor, What is a co-processor? What is its use in a typica...

What is a co-processor? What is its use in a typical microprocessor based system. 8087 NDP (numerical data processor) is also called math co-processor which is used in parallel

Explain about the network level in detail, Explain about the network level ...

Explain about the network level in detail. Network Level Firewall/Packet Filters: At the Network level firewalls operate upon the mechanism of filtering individual IP pa

Computer architecture, what is complex instruction set computer and reduce...

what is complex instruction set computer and reduced complex instruction set computer

Briefly explain register-to-register architecture, Register-to-Register Arc...

Register-to-Register Architecture In this organization results and operands are not accessed straight from main memory by scalar or vector registers. The vectors that are neede

Simplify pos expression, Q. For function F(X, Y, Z) = ∑(1, 2, 3, 5, 6) usin...

Q. For function F(X, Y, Z) = ∑(1, 2, 3, 5, 6) using TRUTH TABLE only 1.  Find POS expression 2.  Simplify POS expression 3.  Implement this simplified expression using t

Define addressing modes, Define addressing modes. The dissimilar ways i...

Define addressing modes. The dissimilar ways in which the location of an operand is specified in an instruction are referred to as addressing modes.

What is redefines clause, Redefines clause is used to permit the similar st...

Redefines clause is used to permit the similar storage allocation to be referenced by dissimilar data names.

Memory organization - computer architecture, Memory Organization - Computer...

Memory Organization - Computer architecture: BASIC CONCEPTS: Address space - 16-bit : 216 = 64K mem. locations - 32-bit : 232 = 4G mem. locations -          40-b

What is the best way offload responsibility, What is the best way offload r...

What is the best way offload responsibility? The best way to offload responsibilities is to purchase services through a Service Provider. ISPs, customers and Service Provide

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