534 readline(char **bufferp, size_t *bufsizp, FILE *filep)  in readline()  argument
540 	(*bufferp)[*bufsizp - 1] = '\t'; /* arbitrary non-zero character */  in readline()
541 	(*bufferp)[*bufsizp - 2] = ' ';	/* arbitrary non-newline char */  in readline()
542 	bufp = fgets(*bufferp, *bufsizp, filep);  in readline()
545 	while ((*bufferp)[*bufsizp -1] == '\0' &&  in readline()
546 	    (*bufferp)[*bufsizp - 2] != '\n' &&  in readline()
547 	    strlen(*bufferp) == *bufsizp - 1) {  in readline()
549 		bufp = (char *)realloc((void *)*bufferp, newsize);  in readline()
554 		*bufferp = bufp;  in readline()
555 		(*bufferp)[*bufsizp - 1] = '\t';  in readline()
556 		(*bufferp)[*bufsizp - 2] = ' ';  in readline()
557 		bufp = fgets(*bufferp + oldsize -1, oldsize + 1, filep);  in readline()
560 				bufp = *bufferp;  in readline()
565 			bufp = *bufferp;  in readline()