Function which is returning pointer to function in c programming.

#include double (*lic())(double);double(*p)(double);void main(){    p=lic();    clrscr();    printf("%.2lf",(*p)(M_PI_4));    getch();}double (*lic())(double){       p=&sin;       return p;}Output:0.71ONE MORE EXAMPLE:float calculate();float (*show())();void main(){ float b; clrscr(); b=(*show())(); printf("%f",b); getch();}float calculate(){ float a=5.5; a+=5<=5;