fork             1775 lib-src/emacsclient.c   dpid = fork ();
fork              331 lib-src/movemail.c   pid_t child = fork ();
fork             1498 src/callproc.c     pid = fork ();
fork              368 src/conf_post.h # define vfork fork
fork             1762 src/emacs.c              f = fork ();
fork             1765 src/emacs.c                f = fork ();  /* in orig */