Home » Documentation in ‘C’

Documentation in ‘C’

In software development, the documentation is the information that describes the product to its users. It consist of the product technical manual and online information (including online version of technical manual and help feature description). The term is sometimes used for source information about the product contained in design documents, detailed code comments, white papers and blackboard session notes.

Types of Documentation:

  1. Internal Documentation
  2. External Documentation

Internal Documentation: It is written in a program as comments.

External Documentation: It is written in a place where people who need to use the software can read about how to use the software. External documentation can be broken down into library documentation, which describes tools that a programmer can use, and user documentation, which is intended for users of an application.

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‘C’ Practical

  1. To get fomiliar with the structure of a ‘C’ program and print “Hello World!” on computer screen.
  2. To perform addition, subtraction, multiplication and division operations on two integers.
  3. To use unformatted 1/0 functions (getchar() and putchar(), gets() and puts()).
  4. To use scanf() function to read integers (%d, %i, %o, %u, %x), characters (%c), floating point numbers (%f, %g, %e), strings (%s, scanset).
  5. To use printf() function to format and print output (%d, %i, %o, %u, %x, %e, %E, %f, %g, %c, %p, %c, %s, %n)
  6. To change width, precision and alignment of the output of printf().
  7. To perform and, or, not, exor, left-shift and right-shift operations on integers.
  8. To check whether a given integer is even or odd (if … else statement).
  9. To write month name corresponding to a month number (switch … case).
  10. To check whether a given integer is prime using while loop.
  11. To reverse the digits of a given positive integer using while loop.
  12. To generate the multiplication table of a given integer using for loop.
  13. To generate first n terms of Fibonacci series using do-while loop.
  14. To compute factorial of a given integer using for loop.
  15. To compute sum of elements of a one dimensional integer array.
  16. To find the largest element in a one dimensional array.
  17. To perform matrix addition and matrix multiplication using 2-D arrays.
  18. To convert the alphabetic characters of a string to uppercase.
  19. To find the length of a string.
  20. To use Standard Library String Functions (strcat(), strrev(), strcp(), strcmp())
  21. Writing a function to find sum of two integers.
  22. Writing a function to swap value of two integers (call by reference).
  23. Writing a function to compute factorial of a given integer (using recursion).
  24. To read and print multiple data items (roll_no, name, branch, semester etc.) pertaining to an individual student.
  25. Demonstrating the use of union
  26. Demonstrating the use of address and dereferencing operators
  27. Performing pointer arithmetic to manipulate an array
  28. To read the contents from a file and display it on screen
  29. To read names and addresss of persons and write them into a file.
  30. Write a program to read the contents of two different files and write it into the third file.