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The main function is the entry point for any C and, in general, the first code executed when the program is run. However, global objects with constructors can make the users in writing before the main functions is executed. The following steps explain how to declare a major role in C Learning .

valid function prototype for the main function. Should consist of the following :

int main () int main (void) int main (int argc, * argv []);

Follow the main floor with a pair brackets, even when there are no arguments. This distinguishes a function declaration from other types of expressions .

Attach the main body of the function with braces ({}). These keys contain the main code to be carried out when running .

considering the third prototype in Step 1. The argument argc gives the number of command line arguments and argv values lists. Some applications that depend on the platform can also serve as a third argument to the environmental agenda .

See the following agenda, as the use of the main function :

# include int main ( ) (court

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