training

Code I wrote during training
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recsee.c (513B)

      1 /* Exercise 5.41 */
      2 
      3 #include <stdio.h>
      4 
      5 long factorial(long number);
      6 
      7 int main()
      8 {
      9    int i;
     10 
     11    for(i = 0; i <= 10; i++) {
     12       printf("%2d! = %ld\n\n", i, factorial(i));
     13    }
     14 
     15    return 0;
     16 } /* E0F main */
     17 
     18 /* Recursive definition of factorial() function */
     19 long factorial(long number) {
     20 
     21    if(number) printf("=> %d * factorial(%d)\n", number, number - 1);
     22 
     23    if(number <= 1) {
     24       printf("===>  ", " ");
     25       return 1;
     26    }
     27    else
     28       return number * factorial(number - 1);
     29 
     30 } /* eof factorial() */
     31