/usr/share/sdcc/include/serial.h is in sdcc-libraries 2.9.0-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | /*----------------------------------------------------------------------------
Written by Dmitry S. Obukhov, 1996
dso@usa.net
----------------------------------------------------------------------------
This module implements serial interrupt handler and IO routinwes using
two 256 byte cyclic buffers. Bit variables can be used as flags for
real-time kernel tasks
Last modified 6 Apr 97
----------------------------------------------------------------------------*/
void serial_init(void);
void serial_interrupt_handler(void) __interrupt 4 __using 1;
void serial_putc(unsigned char);
unsigned char serial_getc(void);
void autobaud();
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