Latest C Aptitude Question SOLUTION: Is the following statement a declaration or definition? extern int i; Options 1) Declaration 2) Definition 3) Function 4) Error

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(#M40018331) C Programming question C Keep an EYE

Is the following statement a declaration or definition?
extern int i;

Options
1) Declaration
2) Definition
3) Function
4) Error

Asked In C C.Manohar (11 years ago)

Unsolved Read Solution (13)

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Read Solution (13) :

Sunil jaiswal  (10 years ago)

see at the stmt int *ptr=(int*)malloc(sizeof(int)); here malloc will request for memory of size int if its request is granted than that size of block assigned to ptr variable..not *ptr=4; *ptr has value 4 now next line printf("%d",(*ptr)+++*ptr++); see how it will be solve (4++ + 5++) i just puted the corresponding values... it will be solved as 4+5(will dicard last post increment )
so ans should be (b) ie 9

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PRITI MISHRA  (8 years ago)

1. declaration will b d ans

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DHIRENDRA   (10 years ago)

8
both are the post incrment operator

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ravikumar  (10 years ago)

may be ans is 9.....((*ptr)++ + *ptr++); for first post increment it will not incremented for next calling it will incremented(i.e second increment) then 4+5=9

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John Rose  (9 years ago)

It causes an error message

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brindhavetrivel  (8 years ago)

the declaration does not contain the static or extern keywords.

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poonam  (8 years ago)

1
extern is storage class
extern use as a data type

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bondala sravya  (8 years ago)

ans 1
extern keyword is used only for declaration bt nt for definition

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Deven Patidar  (8 years ago)

it is declaration.
its definition will be outside of main function.

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navya sri  (8 years ago)

it is declaration statement

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Meha Chatwani  (8 years ago)

1. Delaration

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saikrishna  (8 years ago)

declaration

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  (6 years ago)

option -2
it is definition because extern keyword is used for referencing the variable form one program to other program

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