_sd 115 maint/gnulib/lib/spawn.in.h sigset_t _sd; _sd 31 maint/gnulib/lib/spawnattr_getdefault.c memcpy (sigdefault, &attr->_sd, sizeof (sigset_t)); _sd 30 maint/gnulib/lib/spawnattr_setdefault.c memcpy (&attr->_sd, sigdefault, sizeof (sigset_t)); _sd 492 maint/gnulib/lib/spawni.c || ! sigisempty (&attrp->_sd) _sd 788 maint/gnulib/lib/spawni.c if (sigismember (&attrp->_sd, sig) != 0