C

What is the Output ?

By Editor

July 12, 2021 One Min Read

12 0

What is the Output ?

 
main () 
  {
  char *p1="Name"; 
  char *p2; 
  p2=(char *)malloc(20); 
  while(*p2++=*p1++); 
  printf("%s\n",p2); 
  } 

Answer : NULL

We are incrementing the pointers p1,p2.
When it reached the end of the string, *p2 points to NULL.
We have lost the address of the starting position.

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