q- Does mentioning the array name gives the base...

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Question by erika
Submitted on 2/20/2004
Related FAQ: comp.lang.c Answers to Frequently Asked Questions (FAQ List)
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q- Does mentioning the array name gives the base address in all the contexts? q- Explain one method to process an entire string as one unit? q- What is the similarity between a Structure, Union and enumeration? q- Can a Structure contain a Pointer to itself? q- How can we check whether the contents of two structure variables are same or not? q- How are Structure passing and returning implemented by the complier? q- What is near, far and huge pointers? How many bytes are occupied by them? q- How would you obtain segment and offset addresses from a far address of a memory location

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Answer by harish
Submitted on 4/7/2004
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ans 2: there is no way to process an entire string.it has to be done char by char ans 3.all are different.structure contains members of different data types.all the members in a structure will be at different offset. union is similar to a structure with all the members having offset 0.union can hold a single member at any Given time.enumeration is a list of integer constants. ans 4: yes a structure can contain a pointer to itself and is called as self referential structures.

Answer by ambuj
Submitted on 5/27/2004
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q5: simply check if(var1==var2)

Answer by vsriharsha
Submitted on 6/15/2004
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Q1: Yes, any reference to an array name would yeild its base address in all situations. Q.: Near Far and Huge Pointers: Though not complete, this is what serves as an introduction. Firstly, there is no near, far and huge pointer concept in Linux-based (32-bit and 64-bit computing) computers. Earlier, a program was allocated one page of memory for use and any pointers you normally used were capable of addressing any address within that page. This is Near Pointer. If you wanted to address memory outside your page but within the 640k conventional memory, you use Far Pointers and if you want to go beyond the conventional memory, you use huge pointers.

Answer by Guest
Submitted on 10/18/2004
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Q5: You cant compare two structures in C. You have to do it individually. However you can do an assignment.

Answer by Narasimhas
Submitted on 12/13/2004
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36. What is the similarity between a Structure, Union and enumeration? All represent a user-defined type and allow accessing data associated with it in a user friendly way.

Answer by Bai
Submitted on 3/28/2005
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What is the similarity between a Structure, Union and enumeration? --All defined before main function. --All create a new type --All data members need to have a unique name --All use semicolon to terminate their definition

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