signal detection

hi,

i am doing a project .....i want to know the significance of signal.h header file......in which conditions is this file used....and what are the hardware requirement for this class....what type of signals can i handle using this file.....

thankfull for any advice....

signal.h defines functions that enable you to handle (or raise) special condions in your application; like floating-point exception and program termination.

It is not particulary related to network programming.

- petter