int (*fp)(char*); in the above instruction, What is fp and char and how are they interlinked:

Answer 1

the fp is the variable defined as pointer to function.The variable can keep the pointer to function which has one parameter (pointer to char ) and it returns integer value.i.e. :
int foo(char * pInData);
fp = foo;
fp("hello foo");

Answer 2

tnx highman i got it👍😊

Answer 3

you are welcome;))