#include printreal(r1, r2, r3) double r1, r2, r3; { printf("%2.5f %2.5f %2.5f\n", r1, r2, r3); fflush(stdout); return 'A'; } int_times_real(i1, r1, r2, i2) double r1, r2; int i1, i2; { printf("%2.5f %2.5f %2.5f\n", r1*i1, r2*i2, r1*(r2/i2)*i1); fflush(stdout); return 0; } double prod(r1, i1, i2, r2) double r1, r2; int i1, i2; { return r1*(r2/i2)*i1; }