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260
components/api/lib/cAT/example/demo.c
Executable file
260
components/api/lib/cAT/example/demo.c
Executable file
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/*
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MIT License
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Copyright (c) 2019 Marcin Borowicz
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <stdbool.h>
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#include <assert.h>
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#include "../src/cat.h"
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static int32_t speed;
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static uint16_t adr;
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static uint8_t x;
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static uint8_t y;
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static uint8_t bytes_buf[4];
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static char msg[16];
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static bool quit_flag;
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static int x_write(const struct cat_variable *var, size_t write_size)
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{
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printf("x variable updated internally to: %u\n", x);
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return 0;
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}
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static int y_write(const struct cat_variable *var, size_t write_size)
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{
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printf("y variable updated internally to: %u\n", y);
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return 0;
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}
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static int msg_write(const struct cat_variable *var, size_t write_size)
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{
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printf("msg variable updated %lu bytes internally to: <%s>\n", write_size, msg);
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return 0;
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}
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static int speed_write(const struct cat_variable *var, size_t write_size)
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{
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printf("speed variable updated internally to: %d\n", speed);
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return 0;
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}
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static int adr_write(const struct cat_variable *var, size_t write_size)
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{
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printf("adr variable updated internally to: 0x%04X\n", adr);
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return 0;
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}
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static int bytesbuf_write(const struct cat_variable *var, size_t write_size)
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{
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int i = 0;
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printf("bytes_buf variable updated %lu bytes internally to: ", write_size);
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for (i = 0; i < sizeof(bytes_buf); i++)
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printf("%02X", bytes_buf[i]);
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printf("\n");
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return 0;
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}
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static int go_write(const struct cat_command *cmd, const uint8_t *data, const size_t data_size, const size_t args_num)
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{
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int i = 0;
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printf("<%s>: x=%d y=%d msg=%s @ speed=%d\n",
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cmd->name,
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*(uint8_t*)(cmd->var[0].data),
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*(uint8_t*)(cmd->var[1].data),
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msg,
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speed
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);
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printf("<bytes>: ");
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for (i = 0; i < sizeof(bytes_buf); i++)
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printf("%02X", bytes_buf[i]);
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printf("\n");
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return 0;
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}
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static int set_write(const struct cat_command *cmd, const uint8_t *data, const size_t data_size, const size_t args_num)
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{
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printf("<%s>: SET SPEED TO = %d\n",
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cmd->name,
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speed
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);
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return 0;
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}
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static int set_read(const struct cat_command *cmd, uint8_t *data, size_t *data_size, const size_t max_data_size)
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{
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return 0;
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}
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static int test_run(const struct cat_command *cmd)
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{
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printf("TEST: <%s>", cmd->name);
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return 0;
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}
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static int quit_run(const struct cat_command *cmd)
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{
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printf("QUIT: <%s>", cmd->name);
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quit_flag = true;
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return 0;
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}
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static int print_cmd_list(const struct cat_command *cmd)
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{
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return CAT_RETURN_STATE_PRINT_CMD_LIST_OK;
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}
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static struct cat_variable go_vars[] = {
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{
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.type = CAT_VAR_UINT_DEC,
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.data = &x,
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.data_size = sizeof(x),
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.write = x_write,
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.name = "x"
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},
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{
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.type = CAT_VAR_UINT_DEC,
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.data = &y,
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.data_size = sizeof(y),
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.write = y_write,
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.name = "y"
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},
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{
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.type = CAT_VAR_BUF_STRING,
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.data = msg,
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.data_size = sizeof(msg),
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.write = msg_write,
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.name = "msg"
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}
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};
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static struct cat_variable set_vars[] = {
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{
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.type = CAT_VAR_INT_DEC,
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.data = &speed,
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.data_size = sizeof(speed),
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.write = speed_write,
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.name = "speed"
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},
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{
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.type = CAT_VAR_NUM_HEX,
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.data = &adr,
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.data_size = sizeof(adr),
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.write = adr_write,
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.name = "address"
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},
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{
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.type = CAT_VAR_BUF_HEX,
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.data = &bytes_buf,
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.data_size = sizeof(bytes_buf),
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.write = bytesbuf_write,
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.name = "buffer"
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}
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};
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static struct cat_command cmds[] = {
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{
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.name = "+GO",
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.write = go_write,
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.var = go_vars,
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.var_num = sizeof(go_vars) / sizeof(go_vars[0]),
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.need_all_vars = true
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},
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{
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.name = "+SET",
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.write = set_write,
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.read = set_read,
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.var = set_vars,
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.var_num = sizeof(set_vars) / sizeof(set_vars[0]),
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},
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{
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.name = "#TEST",
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.run = test_run
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},
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{
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.name = "#HELP",
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.run = print_cmd_list,
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},
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{
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.name = "#QUIT",
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.run = quit_run
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},
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};
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static char buf[128];
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static struct cat_command_group cmd_group = {
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.cmd = cmds,
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.cmd_num = sizeof(cmds) / sizeof(cmds[0]),
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};
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static struct cat_command_group *cmd_desc[] = {
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&cmd_group
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};
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static struct cat_descriptor desc = {
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.cmd_group = cmd_desc,
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.cmd_group_num = sizeof(cmd_desc) / sizeof(cmd_desc[0]),
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.buf = buf,
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.buf_size = sizeof(buf)
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};
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static int write_char(char ch)
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{
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putc(ch, stdout);
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return 1;
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}
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static int read_char(char *ch)
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{
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*ch = getc(stdin);
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return 1;
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}
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static struct cat_io_interface iface = {
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.read = read_char,
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.write = write_char
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};
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int main(int argc, char **argv)
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{
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struct cat_object at;
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cat_init(&at, &desc, &iface, NULL);
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while ((cat_service(&at) != 0) && (quit_flag == 0)) {};
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printf("Bye!\n");
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return 0;
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}
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