The Ancient Chinese invented paper and money. Money was invented by the first king of China and paper was invented by a man in China by bamboo.
Example C Program to Catch a Signal. Most of the Linux users use the key combination Ctr+C to terminate processes in Linux. Have you ever thought of what goes behind this. Well, whenever ctrl+c is pressed, a signal SIGINT is sent to the process. The default action of this signal is to terminate the process. But this signal can also be handled.
This command takes as an argument a DICOM object that represent a query. The PACS transforms the object that we send to a query, probably to SQL, runs it and then transform every result record back into a DICOM object and send it back to us in a C-FIND response. The PACS sends one C-FIND response for every result record.