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November 07, 2009

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204

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What is a static function?

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Asked By: tarun |

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A static function is a function whose scope is limited to the current source file. Scope refers to the visibility of a function or variable. If the function or variable is visible outside of the current source file, it is said to have global, or external, scope. If the function or variable is not visible outside of the current source file, it is said to have local, or static, scope.

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Saturday, March 15, 2008

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C, static function

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198

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What is run time? Is there any difference between run time and compile time?

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Asked By: tarun |

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Run time means the execution file(.exe) is loaded on memory and execute it.
Compile is a process that converts your source code into object code.(creation of .exe file)

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Saturday, March 15, 2008

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C, compile time, run time

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277

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Why does an array index number starts from zero?

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Asked By: tarun |

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Because array index shows distance from the 1st element. Since the first element is zero distance away from itself, index starts from zero. The next element will be "index*scaling factor" distance away from 1st element. In case of integer array next elements will beÂ 1*2, 2*2, 3*2, 4*2, .................bytesÂ away from the first element .

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Saturday, March 15, 2008

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index, C, aaray

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225

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What is the application of itoa()?

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Asked By: tarun |

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itoa() is used to convert integer to string.

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Saturday, March 15, 2008

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C, itoa()

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140

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How can we achieve inheritence in C?

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Asked By: tarun |

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By using multiple structures means structure within a structure, we can achive inheritance in C.

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Saturday, March 15, 2008

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C, inheritence

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190

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what is meant by "contagious memory allocation"?

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Asked By: tarun |

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Contiguous memory is meant by continuous memory space in the available memory. so when we allocate a memory space contigously in our programming it is reffered to as contiguous memory allocation.

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Saturday, March 15, 2008

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C, contagious, memory.allocation

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229

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What is a const pointer?

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There are cases when you need to define a constant pointer to a variable/object; for instance, when taking a function address, or when you want to protect a pointer from unintended modifications such as assignment of new address, pointer arithmetic

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C, const pointer

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231

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if compiler for c is written in c language, what is used to compile the compiler?

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Asked By: tarun |

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C compiler was written in C language,that is true.But that does not say in what language first C compiler was written.I think first C compiler might have used assembly language instructions.And after that further compilers might have used this(or other compilers that was built the same way) compiler to compile the other newly build compilers.

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Saturday, March 15, 2008

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C, compile

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234

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What is pseudo code ?

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pseudo code is the code written when converting the algorithm/ flow chart to actual code.
So it is in between the compiled code and flow chart. It is something that is not compiled but can be on
a notepad.

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Saturday, March 15, 2008

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C, pseudo

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269

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How is structure passing and returning implemented?