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Pointer Within Structure in C Programming :

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1. Structure may contain the Pointer variable as member.
2. Pointers are used to store the address of memory location.
3. They can be de-referenced by '*' operator.

Example :

struct Sample
{
   int  *ptr;  //Stores address of integer Variable 
   char *name; //Stores address of Character String
}s1;

4. s1 is structure variable which is used to access the "structure members".

s1.ptr  = #  
s1.name = "Pritesh"

5. Here num is any variable but it's address is stored in the Structure member ptr (Pointer to Integer)
6. Similarly Starting address of the String "Pritesh" is stored in structure variable name(Pointer to Character array)
7. Whenever we need to print the content of variable num , we are dereferancing the pointer variable num.

printf("Content of Num : %d ",*s1.ptr);
printf("Name : %s",s1.name);

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Tags / Keywords : | Accessing Pointer, Array, Pointer, Pointer within Structure

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