SIGHUP           6045 src/simh/scp.c # ifdef SIGHUP
SIGHUP           6046 src/simh/scp.c if (signal (SIGHUP, int_handler) == SIG_ERR) {          /* set WRU */
SIGHUP           6118 src/simh/scp.c #ifdef SIGHUP
SIGHUP           6119 src/simh/scp.c signal (SIGHUP, SIG_DFL);                               /* cancel WRU */