Answer Posted / raj

by default main return int to its environment but when we
declare void main it means it will not return any value

When is a null pointer used?

1170

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using only #include and #include Write a program in C that will read an input from the user and print it back to the user if it is a palindrome. The string ends when it encounters a whitespace. The input string is at most 30 characters. Assume the string has no spaces and distinguish between and lowercase. So madam is a palindrome, but MadAm is not a palindrome. Use scanf and %s to read the string. Sample Test: Enter a string: madam madam is a palindrome. Enter a string: 09023 09023 is not a palindrome.

1858

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Create a registration form application by taking the details like username, address, phone number, email with password and confirm password (should be same as password).Ensure that the password is of 8 characters with only numbers and alphabets. Take such details for 3 users and display the details. While taking input password must appear as “****”.

3231

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What is meant by errors and debugging?

1157

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Write the control statements in C language

1283

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What is the value of uninitialized variable in c?

1090

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What is printf () in c?

1148

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Write a program to swap two numbers without using third variable in c?

1182

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in multiple branching construct "default" case is a) optional b) compulsarily c) it is not include in this construct d) none of the above

1120

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What is the difference between the = symbol and == symbol?

1179

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What is indirection in c?

1124

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can any one please explain, how can i access hard disk(physical address)? it is possible by the use of far,near or huge pointer? if yes then please explain......

1971

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Why do we use stdio h and conio h?

1136

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Write a C program to accept a matrix of any size. Find the frequency count of each element in the matrix and positions in which they appear in the matrix

2071

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What is sizeof in c?

1057

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