segv_action 76 maint/gnulib/lib/c-stack.c static _GL_ASYNC_SAFE void (* volatile segv_action) (int); segv_action 93 maint/gnulib/lib/c-stack.c segv_action (signo); segv_action 186 maint/gnulib/lib/c-stack.c segv_action = action ? action : null_action;