C interop

+ <stdio.h>
+ <math.h>
@c
  static double hyp(double a, double b) { return sqrt(a * a + b * b); }
f main()
  printf("hypot(3,4) = %g\n", hyp(3, 4))
  printf("cbrt(27) = %g\n", cbrt(27))
  < 0

#include <stdio.h>
#include <math.h>
static double hyp(double a, double b) { return sqrt(a * a + b * b); }

int main(void) {
    printf("hypot(3,4) = %g\n", hyp(3, 4));
    printf("cbrt(27) = %g\n", cbrt(27));
    return 0;
}