setvbuffer 89 ext/nkf/nkf-utf8/nkf.h #define setvbuffer(fp, buf, size) setvbuf(fp, buf, _IOFBF, size) setvbuffer 91 ext/nkf/nkf-utf8/nkf.h #define setvbuffer(fp, buf, size) setbuffer(fp, buf, size)