setvbuffer        101 ext/nkf/nkf-utf8/nkf.h #define       setvbuffer(fp, buf, size)       setvbuf(fp, buf, _IOFBF, size)
setvbuffer        103 ext/nkf/nkf-utf8/nkf.h #define       setvbuffer(fp, buf, size)       setbuffer(fp, buf, size)