[user02@FC4 Lesson10]$ cat -n useparam.c

   1  #include <stdio.h>
   2
   3  void show_number(int value)
   4  {
   5     printf("The parameter's value is %d\n", value);

   6  }
   7
   8  int main(void)
   9  {
  10     show_number(1);
  11     show_number(1001);
  12     show_number(-532);
  13
  14     return 0;
  15  }

[user02@FC4 Lesson10]$ gcc -o useparam useparam.c
[user02@FC4 Lesson10]$ ./useparam
The parameter's value is 1
The parameter's value is 1001
The parameter's value is -532
[user02@FC4 Lesson10]$