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How to Null a string or empty a string array

Null a String/ Empty a string array
Null a string in C using pointer string or array string. Many times the string is nullified assigning arr[0]=’\0′ but this will not nullify the array as only the first index will be NULL.


1. Null a string using pointer string.

TO show that array/pointer is not actually empty or null the first array null but the rest of array characters are still on the same address.

printf(“%s and %s”, ptr,ptr+1);


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2. Null a string using array string

Null a string using an array is not efficient as though the first index is nullified but the rest of the characters still have the same address.



null string= and l

Also See:   c program for pattern#15

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