26 lines
437 B
C
26 lines
437 B
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
float circum(float d);
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
float di;
|
|
if (argc < 2)
|
|
{
|
|
fprintf(stderr, "Usage: %s diamater\n", argv[0]);
|
|
return 1;
|
|
}
|
|
|
|
di = atof(argv[1]);
|
|
printf ("Circumference of a circle with a diamater %.2f is"
|
|
" %.2f\n", di, circum(di));
|
|
return 0;
|
|
}
|
|
|
|
float circum(float d)
|
|
{
|
|
float pi = 3.14159265;
|
|
return (pi*d);
|
|
}
|