Explain the use of the string library functions strncpy() and strncat(), with the help of an example for each.
The `strncpy()` function is used to copy a specified number of characters from one string to another. It ensures that no more than `n` characters are copied, making it safer than `strcpy()`, which does not limit the number of characters. If the source string is shorter than `n`, the destination string is padded with null _____ ____ ____ ________ __________ _______ ______.
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Suppose you wish to solve the equation x5 + 3x2 − 10 = 0 for x. Rearrange this equation to get an appropriate fixed point iteration method. Then write a program to get an approximate value of the root of the equation. The initial guess must be entered by the user. Your programme must be able to flag a warning message if the initial guess is too far from the exact root. In that case, your program must be able to suggest an initial guess to the user. Terminate the program and print the current value of the root as soon as the difference between two successive approximations becomes smaller than 0.005.
You might recall that the Euler number e can be represented by the following series:
Write a program that approximates e with desired number of terms as entered by the user.
Write a function that evaluates an expression in RPN that is given as a string.
Write a C program that takes a list of floating point numbers as input from the keyboard, and prints their mean and standard deviation.
Explain, with an example, the difference between passing by value and passing by reference.
How would you differentiate between the terms pointer to an array and array of pointers? Give proper examples.
Write a loop that examines each character in a character type array called text, and determines how many of the characters are letters, how many are digits, how many are whitespace characters, and how many are other characters.