C Programming

It means end the function. Functions automatically end when execution reaches the end of the function, but you can return from a function at any point within the function with a return statement.

If the function returns a value to its caller, you must provide a reachable return statement along with the value you wish to return.

The variables which are declared outside the main() function is known as global variables and they can be used anywhere in the program.

And,

the variables which used declare inside the main() function is known as local variables and they can be used inside the main() function only.

Example:

#include<stdio.h>

#include<conio.h>

int x,y; // global variables

void main()

{

int a,b; // Local variables

------------

----------------------

---------------------

getch();

}

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number = myfirstfunction (text, freq); // The first function, where "text" is a string, // and "freq" is the array that is filled with data mysecondfunction (number, freq); // The 2:nd function where the value from the previous // function is being used, and the array "freq" is // bring printed.

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&& and are short circuit operator in C.

It means that expressions chained with these operators are only evaluated until the result is unambiguously determined. For example, the expression a && b is guaranteed to be false if a is false. In this case, the term b is not evaluated, and any possible side-effects of b will not occur. The logical OR () is implemented in a similar fashion: c d is guaranteed to be true of c evaluates to true, and d is not being evaluated in this case.

The ternary ? operator is not a short circuit operator (this was listed as a short-circuit operator in a previous revision of this answer). An expression that uses the ternary operator, for example e = f ? g : h is nothing but an alternative form of an if-else construct. The terms f, g and h may each contain short-circuit operators and be evaluated in the manner discussed above, but the ternary operator itself has no short-circuit characteristic.

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40000(10) = 9C40(16) = 1001110001000000(2)

No, 3.121 is greater than 3.12 by 0.001.

13

If you're asking if the c preprocessor supports recursive macros, the answer is no. The preprocessor is single-pass and since the "function" must be defined before it can be referenced, it can not be recursive.

The getchar() function is used to read a single character from standard input (stdin) and increment the associated file pointer to point to the next character. The return value is an integer which must be cast to a character.

An example demonstrating its usage is shown below.

#include <stdio.h>

int main()

{

char buffer[81];

int i, ch;

for(i=0; (i<80) && ((ch = getchar()) != EOF) && (ch!='\n'); ++i)

{

buffer[i] = (char) ch; // cast input to a character

}

buffer[i] = '\0'; // add null-terminator.

printf( "You entered: %s\n", buffer);

}

Global Varible:

The variable which is declared as "Global" one : having the preveleges to use and access that variable in any class and object( means any where in the program) just like PUBLIC keyword in OOPS concepts.

Static Variable :

If we declare a variable as Static , then it wont have the permission to access that variable through out the program and u have to use it inside the class or object which u declared itself.

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how to print "square" using for loop

This functionality is already in Java. String.toLowerCase() and String.toUpperCase() will take care of it for you.

The lower-level the language, the harder it is to write programs in. It takes a long time to write a program in machine language...and it is way more trouble than writing it in an abstracted language.

1. Find the element is the list. Let pointer 'p' point to it.

2. Delete it from the list:

if (p->Prev) p->Prev->Next = p->Next;

else List->First = p->Next;

if (p->Next) p->Next->Prev = p->Prev;

else List->Last = p->Prev;

3. Release the memory associated with it.

main void void void (void)

{ float temp1 [13]= {1,4,2,3,4,5,7,88,9,4,3,23,12};

C itself does not support default values for function arguments, if that is your definition of parameter.

In languages that do, like C++/python/ and Java (presumably) you can use default parameters as a rudimentary form of polymorphism in the sense that you can call the function or method with a minimal set of arguments assuming the that others are defaulted to the values you want, this can be actual defaulted values like the number -1, or sentinel values that omit functionality in the function/method you are calling.

You will, in most of these languages that support this, have to arrange the position of the defaulted arguments to the end of the argument list, and in doing so it would be best to prioritize them from least likely to use the default value to the most from left to right. This in design time can conflict with function/method overloading where you vary the number of arguments in the prototypes of your overloaded function, so I consider these two features of a language mutually exclusive, i.e. don't use them together unless you have a good reason.

This feature is rarely useful but in saying "rarely" when it is, it is the most helpful. I find it and so do the creators of the C++ libraries helpful for class constructors when sometimes you need to set some internal features during construction time.

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printf("TSR");

If you are talking about a terminate and stay resident DOS program, the easiest way to write a TSR is to use a TSR toolkit, which does all of the basic work for you. Otherwise, even to describe the process would take too long (it can be quite complex).