C语言中如何实现函数重载

标题：C语言中如何实现函数重载

c
int add(int a, int b) {
    return a + b;
}
int subtract(int a, int b) {
    return a - b;
}

c
#define calculate(a, b, operation) ((operation) == '+' ? (a) + (b) : (a) - (b))

c
#include 
int multiply(int a, int b) {
    return a * b;
}
float divide(float a, float b) {
    return a / b;
}
int main() {
    int x = 5, y = 2;
    float a = 4.5, b = 1.5;
    
    int result1 = multiply(x, y);
    float result2 = divide(a, b);
    
    printf("Multiply: %d\n", result1);
    printf("Divide: %.2f\n", result2);
    
    return 0;
}