sfd 345 src/dps8/safemove.h int sfd = -1, dfd = -1; sfd 348 src/dps8/safemove.h sfd = open (src, O_RDONLY); sfd 350 src/dps8/safemove.h if (sfd == -1) sfd 357 src/dps8/safemove.h else if (fstat (sfd, & lst) == -1) sfd 382 src/dps8/safemove.h ssize_t n = x_read (sfd, buf, BUFSZ); sfd 430 src/dps8/safemove.h if (sfd != -1) sfd 431 src/dps8/safemove.h (void)close (sfd);