Function: close

The "close" function is used to close a previously opened filesystem file. When you've finished working with a file, it's essential to close it properly to free up system resources and ensure data integrity.

Function Prototype

close(<File ID>);

Parameters

• File ID (int): An integer number returned from a previously applied open function, which represents the file you want to close.

Return Value

Type: None - There is no return value for the "close" function.

Example

int x = open("myFile.txt", "r");
// Perform operations on the file
close(x);

In this example, the "open" function is used to open the file "myFile.txt" for reading. After performing operations on the file, the "close" function is called to properly close it.

The "close" function is an essential part of working with files in ACF and ensures that files are handled correctly and efficiently.

References

• open
• read
• write

The "close" function allows you to gracefully conclude your file operations in ACF, promoting proper resource management and data integrity.