iob_size2str
(void) strcat(buf, iob_size2str(size));
(void) strcat(buf, iob_size2str(size));
(void) strcat(buf, iob_size2str(size));
(void) strcat(buf, iob_size2str(size));
(void) strcat(buf, iob_size2str(size));
(void) strcat(buf, iob_size2str(size));
(void) strcat(buf, iob_size2str(size));
(void) strcat(buf, iob_size2str(size));