#include <lib.h> #include <stdlib.h> #include <stdio.h> void setbuf(iop, buffer) FILE *iop; char *buffer; { if (iop->_buf && testflag(iop, IOMYBUF)) free(iop->_buf); iop->_flags &= ~(IOMYBUF | UNBUFF | PERPRINTF); iop->_buf = buffer; if (iop->_buf == (char *)NULL) iop->_flags |= UNBUFF; iop->_ptr = iop->_buf; iop->_count = 0; }