Tag: void

General Discussions

Types of Pointers

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Pointer: Pointer is a variable which holds the address of another variable NULL Pointer: A null pointer has a value reserved for indicating that the pointer does not refer to a valid object. It is pointer initialized to NULL value Void Pointer: are pointers pointing to data of no specific data type. The compiler will… Continue reading Types of Pointers

algorithms

Pointer and Types – C

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This note covers various types of pointers to be aware of and a few notations used with pointers. Types of Pointers Pointer: Pointer is a variable which holds the address of another variable NULL Pointer: A null pointer has a value reserved for indicating that the pointer does not refer to a valid object. It… Continue reading Pointer and Types – C

General Discussions

main() – int or void?

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Programmers generally use a int main() or a void main() Every function should return a type. Either a success status or a failure status. Even main is a function and should return a type. It is not advisable to use void main(). It should always be int main(). A void main() means it returns no status… Continue reading main() – int or void?