Learn C programming in Bengali

The float Data Type

The int Data Type

Comments
Now let's take a close look at the C program in Listing 2.1.

The first line contains a comment:

The main() Function
In line 4 of Listing 2.1, you see this function:

The exit() Function

There is also a C library function, exit(), that can be used to cause a program to end. Because the exit() function is defined in a header file, stdlib.h, you have to include the header file at the beginning of your program।

The void Data Type

You may notice that the void word has been added into the C program in Listing 2.2. void is a keyword for a data type in C. When a void is placed prior to a function name, it indicates that the function does not return a value.

The #include Directive
Let's now move to line 2 in the C program of Listing 2.1:

Compiling and Linking