while(inputline(c->ident, c->fpin, &l, '\n') >= 0 && strcmp(l, "."))
if(sink_printf(s, "%s\n", l) < 0) return -1;
if(ferror(c->fpin) || feof(c->fpin)) return -1;
while(inputline(c->ident, c->fpin, &l, '\n') >= 0 && strcmp(l, "."))
if(sink_printf(s, "%s\n", l) < 0) return -1;
if(ferror(c->fpin) || feof(c->fpin)) return -1;