帮我写一个C语言二进制求和代码

当然可以。在C语言中，我们可以使用位运算符来实现两个二进制数的逐位相加。下面是一个简单的函数示例，它接收两个整数作为输入，然后返回它们的二进制表示下的和：

#include <stdio.h>

// Function to perform binary addition of two integers
unsigned int binary_addition(int a, int b) {
    // Keep adding the bits while there is carry and there are more digits in both numbers
    unsigned int sum = 0, carry;
    
    while (a || b) {
        // Extract least significant bit from each number
        carry = (sum & a) + (b & a);  // Calculate the current sum bit
        sum = sum ^ a;                // Sum without considering the current bit
        a = carry << 1;               // Shift the carry to the next position for next bit addition
        b = b >> 1;                   // Shift b right by one bit
    }
    
    return sum;
}

int main() {
    int num1 = 5; // Convert to binary: 101
    int num2 = 3; // Convert to binary: 011
    
    printf("Binary sum of %d and %d is: %u\n", num1, num2, binary_addition(num1, num2));
    return 0;
}

在这个例子中，`binary_addition`函数通过不断提取并添加最低有效位，直到两个数都变为0，完成了二进制求和。