Answer Posted / binod adhikari

int *p(void)
Here p is a pointer function with no arguments. int *p means p is a pointer function which has to return an memory address of integer type to the called function (i.e. where the pointer function p has been called). (void) means function p does not have any argument.

int *p(char *a);
Here p is a pointer function with one pointer arguments of character type. The called function (i.e. where the pointer function p has been called) pass the memory address of the character variable to pointer function p since it has char *a argument. p is a pointer function so, it has to return an memory address of integer type to the called function.

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