95 	FILE *sf;  in rc_get_seqnbr()  local
100 	if ((sf = fopen(seqfile, "a+")) == NULL)  in rc_get_seqnbr()
107 	while (do_lock_exclusive(fileno(sf))!= 0)  in rc_get_seqnbr()
111 			fclose(sf);  in rc_get_seqnbr()
123 		fclose(sf);  in rc_get_seqnbr()
127 	pos = ftell(sf);  in rc_get_seqnbr()
128 	rewind(sf);  in rc_get_seqnbr()
129 	if (fscanf(sf, "%d", &seq_nbr) != 1) {  in rc_get_seqnbr()
130 		if (pos != ftell(sf)) {  in rc_get_seqnbr()
137 	rewind(sf);  in rc_get_seqnbr()
138 	ftruncate(fileno(sf),0);  in rc_get_seqnbr()
139 	fprintf(sf,"%d\n", (seq_nbr+1) & UCHAR_MAX);  in rc_get_seqnbr()
141 	fflush(sf); /* fflush because a process may read it between the do_unlock and fclose */  in rc_get_seqnbr()
143 	if (do_unlock(fileno(sf)) != 0)  in rc_get_seqnbr()
146 	fclose(sf);  in rc_get_seqnbr()