C program function call

#include <stdio.h>

int addtwonum(int x, int y)
{
    
    
    return x + y;
}

int main()
{
    
    
    int a = 1, b = 3;
    int result;
    // 调用函数 addtwonum
    result = addtwonum(a, b);

    printf("result 为：%d", result);
    return 0;
}

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