C programming on Ubuntu
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The document provides instructions for writing a C program in Ubuntu, including how to save files with a .c extension, how to include header files containing input/output functions like printf using #include, and how the main() function is executed first and can call functions like printf to output text to the screen by enclosing it in quotation marks and ending statements with semicolons.
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C programming on Ubuntu
- 1. Writing C program in Ubuntu Computational Skills Practical B.E. First Semester Engineering
- 5. At this point you should save your file as Eg: filename.c But we will save it afterwards only for this example to learn something.
- 6. #include <stdio.h> The statement helps C program in including the header files inside which there are stand input and output functions like printing and scanning are Example of function to print text on screen printf(“Hi”);
- 7. main() When the program starts execution main () is the first function which will be executed.
- 8. printf(“Hello n”); • { All functions will start and end the open & close curly braces. } • This line will call a function printf inside the header file which will help in printing the data inside double inverted comas “anything” on the screen. • n tells the complier to take a new line. • ; a line in C must end with a semicolon
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