Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Defines a macro
Defines a macro with the given name, having as its value the given replacement text. After that (for the rest of the current source file), wherever the preprocessor sees that name, it will replace it with the replacement text. The name follows the same rules as ordinary identifiers (it can contain only letters, digits, and underscores, and may not begin with a digit). Since macros behave quite differently from normal variables (or functions), it is customary to give them names which are all capital letters (or at least which begin with a capital letter). The replacement text can be absolutely anything--it's not restricted to numbers, or simple strings, or anything.
The most common use for macros is to propagate various constants around and to make them more self-documenting. We've been saying things like
char line[100];
...
getline(line, 100);
but this is neither readable nor reliable; it's not necessarily obvious what all those 100's scattered around the program are, and if we ever decide that 100 is too small for the size of the array to hold lines, we'll have to remember to change the number in two (or more) places.
A much better solution is to use a macro:
#define MAXLINE 100 char line[MAXLINE];
getline(line, MAXLINE);
What is a Priority Interrupt? Ans: A priority interrupt is a type of interrupt that establishes a priority over the many sources to determine which condition is to be serviced
Differences between internal and external treatment in boiler
This is an embedded system that involves the integration of hardware and software design stages. It consists of the user interface (keypads and LCD display) and two Peripheral Inte
complete notes
How can I read .doc document in ASP.Net? You can read from a text file like this. Private void Button12_Click(object sender, System.EventArgs e) { string path="C:
Q. Can you explain about Internet Protocol? Internet protocol specifies the rules which define the details of how computers communicate. It specifies exactly how a packet shoul
Discuss about Constrained-Random Verification Methodology Advent of constrained-random verification gives verification engineers an effective method to achieve covera
i need help with an octave program
Basic elements of Assembly language: Any Assembly language which consists 3 types of instruction statements that are used to define the program operations: Data secti
Determine about the three-state gate A three-state gate is a digital circuit which shows three states. Two of them are equivalent to logic 1 and 0. The third one is a high im
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!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd