Answer / susie

Answer :

Yes.

Explanation:

*b is a pointer to type struct a and so is legal. The
compiler knows, the size of the pointer to a structure even
before the size of the structure

is determined(as you know the pointer to any type is of same
size). This type of structures is known as
‘self-referencing’ structure.

Answer / pavan_mustyala

The code snippet is absolutely valid and this concept which
is comes under "self- referential" concept is used to
develop linked lists.

#include<stdio.h> main() { register i=5; char j[]= "hello"; printf("%s %d",j,i); }

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How to swap two variables, without using third variable ?

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void main() { int i=5; printf("%d",i+++++i); }

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main() { char str1[] = {‘s’,’o’,’m’,’e’}; char str2[] = {‘s’,’o’,’m’,’e’,’\0’}; while (strcmp(str1,str2)) printf(“Strings are not equal\n”); }

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Link list in reverse order.

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main() { int i=300; char *ptr = &i; *++ptr=2; printf("%d",i); }

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#define max 5 #define int arr1[max] main() { typedef char arr2[max]; arr1 list={0,1,2,3,4}; arr2 name="name"; printf("%d %s",list[0],name); }

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How can you relate the function with the structure? Explain with an appropriate example.

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What is the problem with the following code segment? while ((fgets(receiving array,50,file_ptr)) != EOF) ;

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