C语言的引用传递方法

#include

#include

int main(int argc, const char * argv[]){

double pi = 3.14;

double intgerPart;

double fractionPart;

fractionPart = modf(pi, &intgerPart);

printf("Pi's Interger Part is %.0f, and Pi's fraction part is %.2f \n", intgerPart, fractionPart);

return 0;

}

Result：

Pi's Interger Part is 3, and Pi's fraction part is 0.14

Program ended with exit code: 0