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C Programming :: Arrays

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3. What is the output of the following C Program?

#include
int main()
{
char *str1="abcd";
char str2[]="abcd";
printf("%d %d %d",sizeof(str1),sizeof(str2),sizeof("abcd"));
return 0;
}

Answer: Option A

Explanation :

In first sizeof, str1 is a character pointer so it gives you the size of the pointer variable.
In second sizeof the name str2 indicates the name of the array whose size is 5 (including the '\0' termination character).
The third sizeof is similar to the second one.

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