How to make a program against the ticalcs library 

  
You will find in the test folder of the library source archive a test/example program which uses this library.
Below is a light version (most error management has been removed and update functions are set to void) of this program to make it clearer:

#include <stdio.h>
#include <stdlib.h>
#include <glib.h>
#include <ticables.h>
#include <tifiles.h>
#include <ticalcs.h>
      
static void print_lc_error(int errnum)
{
  char *msg;

  ticables_error_get(errnum, &msg);
  fprintf(stderr, "Link cable error (code %i)...\n<<%s>>\n", errnum, msg);

  g_free(msg);
}

int main(int argc, char **argv)
{
  CableHandle* cable;
  CalcHandle* calc;
  int err;

  // init libs
  ticables_library_init();
  ticalcs_library_init();

  // set cable
  cable = ticables_handle_new(CABLE_BLK, PORT_2);
  if(cable == NULL)
    return -1;

  // set calc
  calc = ticalcs_handle_new(CALC_TI83);
  if(calc == NULL)
    return -1;

  // attach cable to calc (and open cable)
  err = ticalcs_cable_attach(calc, cable);

  err = ticalcs_calc_isready(h);
  if(err)
     print_lc_error(err);
  printf("Hand-held is %sready !\n", err ? "not " : "");

  // detach cable (made by handle_del, too)
  err = ticalcs_cable_detach(calc);

  // remove calc & cable
  ticalcs_handle_del(calc);
  ticables_handle_del(cable);

  return 0;
}
That's all !

NOTE: for this example to work, you probably have to add compiler options related to the include path and library path, e.g. 
gcc -I/usr/include/tilp2 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -Os -g -Wall -W <...>.c -o <...> -lglib-2.0 -lticalcs2
or better 
gcc -Os -g -Wall -W `pkg-config --cflags --libs ticalcs2` ticalcs.c -o ticalcs

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