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Lines Matching defs:null

76 const char *null = "";          /* as it says.. just a null..  */
77 char **m4wraps = NULL;		/* m4wraps array.     	       */
89 const char *freeze = NULL;	/* -F to freeze state */
90 const char *reload = NULL;	/* -R to reload state */
92 FILE *freezef = NULL;
242 	mstack = (stae *)xalloc(sizeof(stae) * STACKMAX, NULL);
243 	sstack = (char *)xalloc(STACKMAX, NULL);
246 	outfile = NULL;
250 	    longopts, NULL)) != -1)
269 			if ((freezef = fopen(freeze, "w")) == NULL)
277 			setvbuf(stdout, NULL, _IONBF, 0);
331 	if (freopen("/tmp/m4", "w+", stderr) == NULL)
350 		if (fopen_trypath(infile, reload) == NULL)
372 			else if (fopen_trypath(infile, p) == NULL)
403 		if (outfile[n] != NULL)
406 	if (outfile[0] != NULL) {
517 			if (p != NULL)
519 			if (p == NULL || (l != LPAREN && 
711 		return NULL;
715 	if (p == NULL)
716 		return NULL;
717 	if (macro_getdef(p) == NULL)
718 		return NULL;