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Lines Matching defs:null

51 char	null = '\0';
274 	if ((fd = fopen(fnamex, "r")) == NULL) {
278 	transmit(fd, value(EOFWRITE), NULL);
302 	if (command != NULL) {
406 	if ((fd = fopen(copynamex, "r")) == NULL) {
449 		xpwrite(FD, &null, 1); /* poke it */
583 		if ((cp = strrchr(value(SHELL), '/')) == NULL)
587 		(void)execl(value(SHELL), cp, NULL);
648 	if (msg != NULL)
662 	if (dismsg != NULL && dismsg[0] != '\0') {
666 	tipabort(NULL);
684 	if ((cp = strrchr(value(SHELL), '/')) == NULL)
688 	(void)execl(value(SHELL), cp, "-c", s, NULL);
774 		setparity(NULL);	/* XXX what is the correct arg? */
829 	(void)ioctl(FD, TIOCSBRK, NULL);
831 	(void)ioctl(FD, TIOCCBRK, NULL);
871 		if (Shell == NULL)
878 		(void)execl(Shell, Shell, "-c", cmdbuf, NULL);
885 		return(NULL);
895 		return(NULL);
899 		return(NULL);
903 		return(NULL);
907 		return(NULL);