_IOFBF             41 usr/lib/libc/stdio/setbuf.c 	(void) setvbuf(fp, buf, buf ? _IOFBF : _IONBF, BUFSIZ);
_IOFBF             42 usr/lib/libc/stdio/setbuffer.c 	(void)setvbuf(fp, buf, buf ? _IOFBF : _IONBF, size);
_IOFBF             57 usr/lib/libc/stdio/setvbuf.c 		if ((mode != _IOFBF && mode != _IOLBF) || (int)size < 0)