5 int subfd_readsmall(fd,buf,len) int fd; char *buf; int len;
7 if (substdio_flush(subfdoutsmall) == -1) return -1;
8 return read(fd,buf,len);
11 char subfd_inbufsmall[256];
12 static substdio it = SUBSTDIO_FDBUF(subfd_readsmall,0,subfd_inbufsmall,256);
13 substdio *subfdinsmall = ⁢