Prints message as error message during configure and aborts the script.

This example opens a temporary file and writes a test string to it, then prints out the contents of the file.

The following example returns just the element with name CHAPTER and prints it. The other node the comment is not returned.

This example opens a temporary file and writes a test string to it, then it prints out the content of this file twice.

In the case everything went right, a valid font index will be returned and can be used for further purposes. Otherwise the function returns FALSE and prints a message describing what went wrong.

This example opens a ZIP file archive, reads each file in the archive and prints out its contents. The test2.zip archive used in this example is one of the test archives in the ZZIPlib source distribution.

In the case everything went right, a valid font index will be returned and can be used for further purposes. Otherwise the function returns FALSE and prints a message describing what went wrong, which you cannot read directly, while the output type is image.