double call(int);
double (*pf)(int);
pf = cal;
double y;
y = (*pf)(5);
void estimate(int n, double (*pf)(int));
const double* f1(const double arr[], int n);
typedef const double* (*pf)(const double [], int);
pf f2;
double call(int);
double (*pf)(int);
pf = cal;
double y;
y = (*pf)(5);
void estimate(int n, double (*pf)(int));
const double* f1(const double arr[], int n);
typedef const double* (*pf)(const double [], int);
pf f2;
本文标题:2020-09-24 函数指针
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