learn_c/intro/args.c

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2023-11-13 18:18:50 +00:00
#include <stdio.h>
int power(int m, int n);
/* test power function */
main()
{
int i;
for (i =0; i < 10; ++i)
printf("%d %d %d\n", i, power(2,i), power(-3,i));
return 0;
}
/* power: raise base to n-th power; n >= 0; version 2 */
/* arguments passed into funcs are copies of the value and
are not altering the passed in var; "by value" */
int power(int base, int n)
{
int p;
for (p = 1; n > 0; --n)
p = p * base;
return p;
}