int (*lwr_receive_getc)(unsigned) = stdin_getc;
uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
int (*lwr_receive_ungetc)(int) = stdin_ungetc;
int (*lwr_receive_getc)(unsigned) = stdin_getc;
uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
int (*lwr_receive_ungetc)(int) = stdin_ungetc;