用C语言定义一个虚数，实部和虚部分开储存和计算的函数并可执行

好的，以下是用C语言定义一个虚数，实部和虚部分开储存和计算的函数的代码：

#include <stdio.h>

// 定义虚数结构体
typedef struct {
    double real; // 实部
    double imag; // 虚部
} complex;

// 定义计算虚数模长的函数
double abs(complex c) {
    return sqrt(c.real * c.real + c.imag * c.imag);
}

// 定义计算虚数共轭的函数
complex conjugate(complex c) {
    complex res;
    res.real = c.real;
    res.imag = -c.imag;
    return res;
}

// 定义计算虚数加法的函数
complex add(complex c1, complex c2) {
    complex res;
    res.real = c1.real + c2.real;
    res.imag = c1.imag + c2.imag;
    return res;
}

// 定义计算虚数减法的函数
complex subtract(complex c1, complex c2) {
    complex res;
    res.real = c1.real - c2.real;
    res.imag = c1.imag - c2.imag;
    return res;
}

// 定义计算虚数乘法的函数
complex multiply(complex c1, complex c2) {
    complex res;
    res.real = c1.real * c2.real - c1.imag * c2.imag;
    res.imag = c1.real * c2.imag + c1.imag * c2.real;
    return res;
}

// 定义计算虚数除法的函数
complex divide(complex c1, complex c2) {
    complex res;
    double denominator = c2.real * c2.real + c2.imag * c2.imag;
    res.real = (c1.real * c2.real + c1.imag * c2.imag) / denominator;
    res.imag = (c1.imag * c2.real - c1.real * c2.imag) / denominator;
    return res;
}

int main() {
    // 定义并初始化两个虚数
    complex c1 = {1.0, 2.0};
    complex c2 = {3.0, 4.0};

    // 计算并输出两个虚数的模长
    printf("The absolute value of c1 is %lf\n", abs(c1));
    printf("The absolute value of c2 is %lf\n", abs(c2));

    // 计算并输出两个虚数的共轭
    complex conj_c1 = conjugate(c1);
    complex conj_c2 = conjugate(c2);
    printf("The conjugate of c1 is %lf + %lfi\n", conj_c1.real, conj_c1.imag);
    printf("The conjugate of c2 is %lf + %lfi\n", conj_c2.real, conj_c2.imag);

    // 计算并输出两个虚数的加法
    complex sum = add(c1, c2);
    printf("The sum of c1 and c2 is %lf + %lfi\n", sum.real, sum.imag);

    // 计算并输出两个虚数的减法
    complex diff = subtract(c1, c2);
    printf("The difference between c1 and c2 is %lf + %lfi\n", diff.real, diff.imag);

    // 计算并输出两个虚数的乘法
    complex prod = multiply(c1, c2);
    printf("The product of c1 and c2 is %lf + %lfi\n", prod.real, prod.imag);

    // 计算并输出两个虚数的除法
    complex quot = divide(c1, c2);
    printf("The quotient of c1 and c2 is %lf + %lfi\n", quot.real, quot.imag);

    return 0;
}

以上代码定义了一个虚数结构体，以及计算虚数模长、虚数共轭、虚数加减乘除的函数，并在主函数中演示了这些函数的用法。可以通过编译并运行这段代码来进行测试。