Table 9 Definitions in <signal.h>

Signal Macros
-----------------------------------------------
SIGABRT  abnormal termination
         (raised by abort)
SIGFPE   computational exception
         (e.g., overflow)
SIGILL   invalid function image
         (e.g., illegal instruction)
SIGINT   interactive attention (e.g.,
         Control-C)
SIGSEGV  attempt to access protected
         memory
SIGTERM  termination request

Functions
-----------------------------------------------
raise    generates a signal from
         within a program
signal   registers a function as a
         signal-handler