tinyware/msh/sh3.c

12 #undef NULL
25 	(char *)NULL,	/* interrupt */
36 	(char *)NULL,	/* broken pipe */
88 	if (t == NULL)
92 	wp = (wp2 = t->words) != NULL
94 	     : NULL;
125 				if (pin != NULL)
140 			if (pin == NULL) {
151 		if ((t1 = t->right)!=NULL && (rv == 0) == (t->type == TAND))
156 		if (wp == NULL) {
162 			while (*wp++ != NULL)
170 		for (t1 = t->left; i-- && *wp != NULL;) {
191 	 	if (t->right != NULL) {
201 		if ((t1 = findcase(t->left, cp)) != NULL)
209 				if (iosetup(*iopp++, pin!=NULL, pout!=NULL)) {
254 	shcom = NULL;
257 		while ((cp = *wp++) != NULL)
265 		if (cp == NULL && t->ioact == NULL) {
266 			while ((cp = *owp++) != NULL && assign(cp, COPYV))
270 		else if (cp != NULL)
275 	if (shcom == NULL && (f & FEXEC) == 0) {
280 			if (pin != NULL)
282 			return(pout==NULL? setstatus(waitfor(i,0)): 0);
295 	if (owp != NULL)
296 		while ((cp = *owp++) != NULL && assign(cp, COPYV))
297 			if (shcom == NULL)
300 	if ((pin != NULL || pout != NULL) && shcom != NULL && shcom != doexec) {
305 	if (pin != NULL) {
309 	if (pout != NULL) {
313 	if ((iopp = t->ioact) != NULL) {
314 		if (shcom != NULL && shcom != doexec) {
320 			if (iosetup(*iopp++, pin!=NULL, pout!=NULL))
334 	if (wp[0] == NULL)
339 		trap[0] = NULL;
381 		if ((cp = evalstr(cp, DOSUB|DOTRIM)) == NULL)
460 	if (t == NULL)
461 		return((struct op **)NULL);
463 		if ((tp = find1case(t->left, w)) != NULL)
471 	return((struct op **)NULL);
481 	return((tp = find1case(t, w)) != NULL? *tp: (struct op *)NULL);
521 					if (signame[rv] != NULL) {
675 	if ((cp = t->words[1]) == NULL && (cp = homedir->value) == NULL)
681 	prs(cp != NULL? cp: "cd");
729 	if ((cp = t->words[1]) == NULL) {
751 	t->ioact = NULL;
752 	for(i = 0; (t->words[i]=t->words[i+1]) != NULL; i++)
773 	if ((cp = t->words[1]) == NULL)
802 	if ((cp = t->words[1]) != NULL) {
820 	if (t->words[1] == NULL) {
852 	if (t->words[1] == NULL) {
863 	for (i = resetsig ? 1 : 2; t->words[i] != NULL; ++i) {
957 	nl = cp == NULL? 1: getn(cp);
961 		if ((bc = brklist) == NULL)
981 	if ((cp = t->words[1]) != NULL)
1009 	if (*wp != NULL) {
1010 		for (; *wp != NULL; wp++)
1035 	if ((cp = t->words[1]) == NULL) {
1042 		for(n = 0; (t->words[n]=t->words[n+1]) != NULL; n++)
1138 	for (bp = builtin; bp->command != NULL; bp++)
1141 	return((int(*)())NULL);