System ()() Function in C

This guide covers system ()() function in c with practical context and easy-to-follow details. Use it to understand the subject and apply the information confidently.

Declare the System ()() Function in C

Below is the declaration for system () in C:

 int system ( const char * command ) 

Parameters

Command : This is the string containing the command name.

Returns the Value

The value is returned to -1 if there is an error, and if successful, returns the state of the command.

For Example

The following C program illustrates how to use the system () function to list all files and directories in the current directory on a Windows device:

 #include #include #include int main () { char command [ 50 ]; strcpy ( command , "dir" ); system ( command ); return ( 0 ); } 

Compile the C program in the Window environment to see the result.

According to Tutorialspoint

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