我不知道我输出的数组为什么一直错
int main(int argc, char *argv[])
{
    void SIZEINPUT(int nbounds, char* bndnames, double* boundarycoeffs);
    int nbounds = 3;
    char* bndnames[] = { "line_x","line_xy_1","line_xy_1" };
    double coeffs[9];
    int j;
    SIZEINPUT(nbounds, bndnames, coeffs);
    for (j = 0; j < 9; j++) {printf("\n  %f    \n", coeffs[j]);
     }
}
void SIZEINPUT(int nbounds, char* bndnames, double* boundarycoeffs)
{
    int i;
    double radius1 = 0.2;
    double radius2 = 0.45;
    double radius3 = 0.46;
    double radius4 = 0.5;
    double radius5 = 0.8;
    double hwidth = 0.8;


    for (i = 0; i<nbounds; i++) {
        if (bndnames[i] == "circle_1")
        {
            boundarycoeffs[i * 3] = 0.0;
            boundarycoeffs[i * 3 + 1] = 0.0;
            boundarycoeffs[i * 3 + 2] = radius1;
        }
        else if (bndnames[i] == "circle_2")
        {
            boundarycoeffs[i * 3] = 0.0;
            boundarycoeffs[i * 3 + 1] = 0.0;
            boundarycoeffs[i * 3 + 2] = radius2;
        }
        else if (bndnames[i] == "circle_3")
        {
            boundarycoeffs[i * 3] = 0.0;
            boundarycoeffs[i * 3 + 1] = 0.0;
            boundarycoeffs[i * 3 + 2] = radius3;
        }

        else if (bndnames[i] == "circle_4")
        {
            boundarycoeffs[i * 3] = 0.0;
            boundarycoeffs[i * 3 + 1] = 0.0;
            boundarycoeffs[i * 3 + 2] = radius4;
        }

        else if (bndnames[i] == "circle_5")
        {
            boundarycoeffs[i] = 0.0;
            boundarycoeffs[i + 1] = 0.0;
            boundarycoeffs[i + 2] = radius5;
        }
        else if (bndnames[i] == "line_x")
        {
            boundarycoeffs[i * 3] = 1.0;
            boundarycoeffs[i * 3 + 1] = 0.0;
            boundarycoeffs[i * 3 + 2] = 0.0;
        }
        else if (bndnames[i] == "line_y")
        {
            boundarycoeffs[i * 3] = 0.0;
            boundarycoeffs[i * 3 + 1] = 1.0;
            boundarycoeffs[i * 3 + 2] = 0.0;
        }
        else if (bndnames[i] == "line_xy_1")
        {
            boundarycoeffs[i * 3] = 1.0;
            boundarycoeffs[i * 3 + 1] = -1.0;
            boundarycoeffs[i * 3 + 2] = 0.0;
        }
        else if (bndnames[i] == "line_xy_2")
        {
            boundarycoeffs[i * 3] = 1.0;
            boundarycoeffs[i * 3 + 1] = 1.0;
            boundarycoeffs[i * 3 + 2] = 0.0;
        }
        else if (bndnames[i] == "line_x_1")
        {
            boundarycoeffs[i * 3] = 1.0;
            boundarycoeffs[i * 3 + 1] = 0.0;
            boundarycoeffs[i * 3 + 2] = hwidth;
        }
        else if (bndnames[i] == "line_x_2")
        {
            boundarycoeffs[i] = 1.0;
            boundarycoeffs[i * 3 + 1] = 0.0;
            boundarycoeffs[i * 3 + 2] = -hwidth;
        }
        else if (bndnames[i] == "line_y_1")
        {
            boundarycoeffs[i * 3] = 0.0;
            boundarycoeffs[i * 3 + 1] = 1.0;
            boundarycoeffs[i * 3 + 2] = hwidth;
        }
        else if (bndnames[i] == "line_y_2")
        {
            boundarycoeffs[i * 3] = 0.0;
            boundarycoeffs[i * 3 + 1] = 1.0;
            boundarycoeffs[i * 3 + 2] = -hwidth;
        }
        else
        {

            printf("\n error! \n");

        }
    }
}

我一直输出的是error值没赋上去

有没有大神帮下忙的，真的感谢，很急

通过编译了但是我也不知道对不对因为我本身因为做一些别的，要利用C语言编程，就只能边做边学，你能指导下我错在哪吗

字符串的大小是什么意思啊？我刚刚试着用了一下这个函数可是编译虽然过了但是程序运行不出来

不好意思。。。我现在只改了if语句的第一个，你能帮我看下吗谢谢
int main(int argc, char *argv[])
{
    void SIZEINPUT(int nbounds, char* bndnames, double* boundarycoeffs);
    int nbounds = 3;
    char* bndnames[] = { "circle_1","line_x","line_xy_1" };
    double coeffs[9];
    int j;
    int k;
    SIZEINPUT(nbounds, bndnames, coeffs);
    for (j = 0; j < 9; j++) {
        printf("\n  %f    \n", coeffs[j]);
    }
    for (k = 0; k < 3; k++) {
            printf("\n   %s   \n", bndnames[k]);
        }

   
   

}
void SIZEINPUT(int nbounds, char* bndnames, double* boundarycoeffs)
{
    int i;
    double radius1 = 0.2;
    double radius2 = 0.45;
    double radius3 = 0.46;
    double radius4 = 0.5;
    double radius5 = 0.8;
    double hwidth = 0.8;


    for (i = 0; i<nbounds; i++) {
        if (!strcmp(bndnames[i], "circle_1"))
        {
            boundarycoeffs[i * 3] = 0.0;
            boundarycoeffs[i * 3 + 1] = 0.0;
            boundarycoeffs[i * 3 + 2] = radius1;
        }
        else if (bndnames[i] == "circle_2")
        {
            boundarycoeffs[i * 3] = 0.0;
            boundarycoeffs[i * 3 + 1] = 0.0;
            boundarycoeffs[i * 3 + 2] = radius2;
        }
        else if (bndnames[i] == "circle_3")
        {
            boundarycoeffs[i * 3] = 0.0;
            boundarycoeffs[i * 3 + 1] = 0.0;
            boundarycoeffs[i * 3 + 2] = radius3;
        }

        else if (bndnames[i] == "circle_4")
        {
            boundarycoeffs[i * 3] = 0.0;
            boundarycoeffs[i * 3 + 1] = 0.0;
            boundarycoeffs[i * 3 + 2] = radius4;
        }

        else if (bndnames[i] == "circle_5")
        {
            boundarycoeffs[i] = 0.0;
            boundarycoeffs[i + 1] = 0.0;
            boundarycoeffs[i + 2] = radius5;
        }
        else if (bndnames[i] == "line_x")
        {
            boundarycoeffs[i * 3] = 1.0;
            boundarycoeffs[i * 3 + 1] = 0.0;
            boundarycoeffs[i * 3 + 2] = 0.0;
        }
        else if (bndnames[i] == "line_y")
        {
            boundarycoeffs[i * 3] = 0.0;
            boundarycoeffs[i * 3 + 1] = 1.0;
            boundarycoeffs[i * 3 + 2] = 0.0;
        }
        else if (bndnames[i] == "line_xy_1")
        {
            boundarycoeffs[i * 3] = 1.0;
            boundarycoeffs[i * 3 + 1] = -1.0;
            boundarycoeffs[i * 3 + 2] = 0.0;
        }
        else if (bndnames[i] == "line_xy_2")
        {
            boundarycoeffs[i * 3] = 1.0;
            boundarycoeffs[i * 3 + 1] = 1.0;
            boundarycoeffs[i * 3 + 2] = 0.0;
        }
        else if (bndnames[i] == "line_x_1")
        {
            boundarycoeffs[i * 3] = 1.0;
            boundarycoeffs[i * 3 + 1] = 0.0;
            boundarycoeffs[i * 3 + 2] = hwidth;
        }
        else if (bndnames[i] == "line_x_2")
        {
            boundarycoeffs[i] = 1.0;
            boundarycoeffs[i * 3 + 1] = 0.0;
            boundarycoeffs[i * 3 + 2] = -hwidth;
        }
        else if (bndnames[i] == "line_y_1")
        {
            boundarycoeffs[i * 3] = 0.0;
            boundarycoeffs[i * 3 + 1] = 1.0;
            boundarycoeffs[i * 3 + 2] = hwidth;
        }
        else if (bndnames[i] == "line_y_2")
        {
            boundarycoeffs[i * 3] = 0.0;
            boundarycoeffs[i * 3 + 1] = 1.0;
            boundarycoeffs[i * 3 + 2] = -hwidth;
        }
        else
        {

            printf("\n error! \n");

        }
    }
}

嗯谢谢

非常感谢！好像在子函数那里，char那里必须要两个*号

嗯嗯真的很谢谢你