SIGHUP            203 native_client_sdk/src/libraries/third_party/newlib-extras/sys/signal.h #define SIGHUP 1
SIGHUP            211 native_client_sdk/src/libraries/third_party/newlib-extras/sys/signal.h #define SIGHUP  5
SIGHUP            228 native_client_sdk/src/libraries/third_party/newlib-extras/sys/signal.h #define	SIGHUP	1	/* hangup */