Which key word is used to perform unconditional branching?

C Programming Language > Overview of C Language > Keywords in C

Short Question

2427

Answer:

goto

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413. What is a pointer to a function? Give the general syntax for the same.

Answer:

A pointer holding the reference of the function is called pointer to a function. In general it is declared as follows.

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Once fun_ptr refers a function the same can be invoked using the pointer as follows.

fun_ptr();
[Or]
(*fun_ptr)();

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414. Explain the use of comma operator (,).

Answer:

Comma operator can be used to separate two or more expressions.

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415. What is a NULL statement?

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A null statement is no executable statements such as ; (semicolon).

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416. What is a static function?

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Opiton

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420. What is a sequential access file?

Answer: When writing programs that will store and retrieve data in a file, it is possible to designate that file into different forms. A sequential access file is such that data are saved in sequential order: one data is placed into the file after another. To access a particular data within the sequential access file, data has to be read one data at a time, until the right one is reached.

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421. What is variable initialization and why is it important?

Answer: This refers to the process wherein a variable is assigned an initial value before it is used in the program. Without initialization, a variable would have an unknown value, which can lead to unpredictable outputs when used in computations or other operations.

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