add_timer_wait_descriptor  329 src/atimer.c   	      add_timer_wait_descriptor (timerfd);
add_timer_wait_descriptor 4964 src/lisp.h     extern void add_timer_wait_descriptor (int);
add_timer_wait_descriptor 4286 test/manual/etags/c-src/emacs/src/lisp.h extern void add_timer_wait_descriptor (int);