1 #include "readwrite.h" 2 #include "substdio.h" 3 #include "subfd.h" 4 subfd_readsmall(fd,buf,len)5int subfd_readsmall(fd,buf,len) int fd; char *buf; int len; 6 { 7 if (substdio_flush(subfdoutsmall) == -1) return -1; 8 return read(fd,buf,len); 9 } 10 11 char subfd_inbufsmall[256]; 12 static substdio it = SUBSTDIO_FDBUF(subfd_readsmall,0,subfd_inbufsmall,256); 13 substdio *subfdinsmall = ⁢ 14