When you have a sequence of characters, they are piled next to each other in memory, and the location of the first character in that sequence is returned (assigned to test) A char array is harder to manage than a string and certain functions may only accept a string as input, requiring you to convert the array to a string Test is nothing more than a pointer to the memory location of the first character in testing, saying that the type it points to is a char.
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As the initializer for an array of char, as in the declaration of char a [] , it specifies the initial values of the characters in that array (and, if necessary, its size)
15 char **x is a pointer to a pointer, which is useful when you want to modify an existing pointer outside of its scope (say, within a function call)
This is important because c is pass by copy, so to modify a pointer within another function, you have to pass the address of the pointer and use a pointer to the pointer like so: Is a pointer to the literal (const) string test The main difference between them is that the first is an array and the other one is a pointer The array owns its contents, which happen to be a copy of test, while the pointer simply refers to the contents of the string (which in this case is immutable).
Technically, the char* is not an array, but a pointer to a char Similarly, char** is a pointer to a char* Making it a pointer to a pointer to a char Char *array = one good thing about music
50 the difference between char* the pointer and char[] the array is how you interact with them after you create them
If you are just printing the two examples, it will perform exactly the same They both generate data in memory, {h, e, l, l, o, /0} The fundamental difference is that in one char* you are assigning it to a pointer, which is a. What's the difference between char* name which points to a constant string literal, and const char* name
Char* const x is refer to character pointer which is constant, but the location it is pointing can be change Const char* const x is combination to 1 and 2, means it is a constant character pointer which is pointing to constant value.
