To write your first C program, you can open a C console and enter the following code:
#include <stdio.h>
int main(){
printf("Hello C Language");
return 0;
}
The #include <stdio.h> statement includes the standard input output library functions, and the printf() function is defined in stdio.h. The int main() function is the entry point of every program in C language, and the printf() function is used to print data on the console. The return 0 statement returns execution status to the operating system, with 0 used for successful execution and 1 for unsuccessful execution.
To compile and run the C program, there are two methods. The first method involves clicking on the compile menu and then selecting the compile sub-menu to compile the C program. Next, click on the run menu and select the run sub-menu to run the C program. Alternatively, you can press the ctrl+f9 keys to compile and run the program directly.
After compiling and running the program, you should see the output "Hello C Language" on the user screen. To view the user screen at any time, you can press the alt+f5 keys, and to return to the Turbo C++ console, simply press the Esc key.
Writing, compiling, and running the first C program is an essential step in learning the language. It helps you understand the basic syntax and structure of a C program.
In addition to the code mentioned in the previous answer, you can also use the command-line interface (CLI) to compile and run your C program. The CLI method is more commonly used in Linux and other Unix-based operating systems.
To compile a C program using the CLI, open the terminal and navigate to the directory where your program is saved. Then, use the gcc command to compile your program, like this:
gcc -o programname programname.c
Here, "programname" is the name of your program and "programname.c" is the name of your C file.
After running this command, if there are no errors in your code, you will see an executable file with the name "programname" in the same directory as your C file.
To run the compiled program, use the following command:
./programname
This will execute your program and you will see the output on the terminal.
It is essential to check for any errors or warnings during compilation as they can cause your program to fail or behave unexpectedly. Therefore, always check the compiler output for any errors or warnings and resolve them before running your program.
In summary, learning how to write, compile, and run the first C program is a fundamental step in understanding the language. Whether you use a graphical user interface or the command-line interface, it is essential to understand the process of compiling and running C programs.
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