rb_fd_set         314 include/ruby/intern.h void rb_fd_set(int, rb_fdset_t *);
rb_fd_set         336 include/ruby/intern.h void rb_fd_set(int, rb_fdset_t *);
rb_fd_set        8401 io.c           	    rb_fd_set(fptr->fd, &fds[0]);
rb_fd_set        8404 io.c           		rb_fd_set(fptr->fd, &fds[3]);
rb_fd_set        8422 io.c           	    rb_fd_set(fptr->fd, &fds[1]);
rb_fd_set        8436 io.c           	    rb_fd_set(fptr->fd, &fds[2]);
rb_fd_set        8440 io.c                           rb_fd_set(fptr->fd, &fds[2]);
rb_fd_set        10142 io.c           	rb_fd_set(stp->src_fd, &stp->fds);
rb_fd_set        10165 io.c           	rb_fd_set(stp->dst_fd, &stp->fds);
rb_fd_set        10672 io.c               rb_fd_set(src_fd, &stp->fds);
rb_fd_set        10673 io.c               rb_fd_set(dst_fd, &stp->fds);
rb_fd_set        3565 thread.c       #define FD_SET(i, f)	rb_fd_set((i), (f))
rb_fd_set        3618 thread.c       #define FD_SET(i, f)	rb_fd_set((i), (f))
rb_fd_set        3888 thread.c           rb_fd_set(fd, fds);