How can a function return a pointer to its calling routine, Computer Engineering

Assignment Help:

How can a function return a pointer to its calling routine?

The general form of a function is:

type_specifier function_name(parameter list)

{

body of function;

}

where type_specifier specifies the type of value that the function's return statement returns and the parameter list is a comma-separated list of variable names and types which receive the values of the arguments passed by the call to the function. The purpose of most functions is to either perform a computation and return a value, manipulate information and return a success-or-failure (true or false) value, or perform a strictly procedural routine which produces no value (eg, the exit() function). Functions may be declared to return any valid C data type. If the  return  type  is  not  specified,  it  automatically  defaults  to  type  int.  return  causes  an immediate exit from a function. It may also be used to return a value. All functions, except those of type void, return a value.

Functions that return pointers are handled just like any other type of function, e.g.:

char * match(char c, char *s)

{

while(c != *s && *s)

s++;

return(s);


Related Discussions:- How can a function return a pointer to its calling routine

Register data type as sequential element, Reg data type as Sequential eleme...

Reg data type as Sequential element module reg_seq_example( clk, reset, d, q); input clk, reset, d; output q; reg q; wire clk, reset, d; always @ (posedge clk or

Multiple stack, how to implement the multiple stack

how to implement the multiple stack

Explain disk cartridges, Q. Explain Disk Cartridges ? Disk Cartridges:...

Q. Explain Disk Cartridges ? Disk Cartridges: Removable disk cartridges are an option to hard disk units as a form of secondary storage. Cartridge generally comprises one or

Comparator, 6 bit magnitude comparator

6 bit magnitude comparator

What is mask operation, What is MASK OPERATION The mask operation is si...

What is MASK OPERATION The mask operation is similar to selective-clear operation except which the bits of Aare cleared only where there are corresponding 0's in register B. th

Show layout 84-key keyboards, Q. Show layout 84-key Keyboards? PC 83-ke...

Q. Show layout 84-key Keyboards? PC 83-key was the earliest keyboard provided by IBM with its first Personal Computers (PC). This had 83 keys. Afterwards IBM added one more key

What are assets in adobe premiere pro, Question: a) What is the meanin...

Question: a) What is the meaning of the term CTI in Adobe Premiere Pro? b) What are assets in Adobe Premiere Pro? c) In Adobe Premiere Pro, what is the principal diffe

Colour management, There are three primary colours in pigments - Red, Yello...

There are three primary colours in pigments - Red, Yellow and Blue. There are two ways to produce more colours:   Physical Mixing: Physically mix colours to produce a new colour

Data bus is bidirectional, Why address bus is unidirectional and data bus i...

Why address bus is unidirectional and data bus is bidirectional? Ans) Because there is no require address transaction among processor and peripheral device but data bus is req

What is a resource-allocation graph, What is a resource-allocation graph? ...

What is a resource-allocation graph? Deadlocks can be described more precisely in terms of a directed graph known as a system resource allocation graph. This graph having of a

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd