#include #include double yard_to_cm_converter(void); double inch_to_cm_converter(void); int main(void) { int answer = 0; printf("yard, inch > cm 변환기.\n\n"); printf("입력을 원하는 값을 써 주세요.(1 : yard > cm , 2 : inch > yard) : "); scanf_s("%d", &answer); if (answer == 1) { double ret = 0; ret = yard_to_cm_converter(); printf("%.1lfcm\n", ret); exit(0); } if (answer == 2) { double ret = 0; ret = inch_to_c..