How does the C compiler implement functions with Variable numbers of arguments?

Posted by Dan on Stack Overflow See other posts from Stack Overflow or by Dan
Published on 2010-04-29T17:40:47Z Indexed on 2010/04/29 17:47 UTC
Read the original article Hit count: 285

Filed under:

variable

|

arguments

Hi Everybody,

I attended a technical interview a few days ago, and I was asked How does the C compiler implments function with Variable number of arguments? How does it pass the on the stack?

Does anyone know or can explian that?

Thanks, Dan

© Stack Overflow or respective owner

Related posts about variable

PHP variable in variable

as seen on Stack Overflow - Search for 'Stack Overflow'
I have set an array in my config file that I use global in my functions. This works fine, but now I want to pass the name of this array as a @param in my function. // in config file: $album_type_arr = array("appartamento", "villa"); global $album_type_arr; // pull in from db_config echo $album_type_arr[0]; function… >>> More
JavaScript variable to ColdFusion variable

as seen on Stack Overflow - Search for 'Stack Overflow'
I have a tricky one. By means of a <cfoutput query="…"> I list some records in the page from a SQL Server database. By the end of each line viewing I try to add this in to a record in a MySQL database. As you see is simple, because I can use the exact variables from the output query in to… >>> More
Swapping two variable value without using 3rd variable

as seen on Stack Overflow - Search for 'Stack Overflow'
One of the very tricky question asked in an interview... we need to swap the values of two variables like a=10 and b=15 Generaly to swap two variables values, we need 3rd variable like.. temp=a a=b b=temp Now the requirement is, swaping value of two variable values without using 3rd variable… >>> More
PHP - Variable inside variable?

as seen on Stack Overflow - Search for 'Stack Overflow'
Hey guys... $bookA = "123"; $crack = "A"; I want to do something similar to this: echo $book$crack; Such that the output is 123. What is the correct syntax for the echo command? Thanks. >>> More
variable inside a variable in a php class

as seen on Stack Overflow - Search for 'Stack Overflow'
is it possible to copy a variable like this this? class Colours { var $var = "one"; var $var2 = array('something', $var); } >>> More

Related posts about arguments

C++ Function arguments validation (pointer vs. reference arguments)

as seen on Stack Overflow - Search for 'Stack Overflow'
Hello everyone, What do you consider a better programming practice: passing objects as pointers or references to functions. What do you do for input validation? Thanks. >>> More
How to linebreak long string constructs ?

as seen on Stack Overflow - Search for 'Stack Overflow'
I am editing SQLite SQL statements of substantial length. How can I break these into several lines to allow comfortablt editing? const char *sql = "SELECT arguments arguments arguments arguments arguments arguments arguments arguments arguments arguments FROM a, b, WHERE condition condition condition… >>> More
"TypeError: CreateText() takes exactly 8 arguments (5 given)" with default arguments

as seen on Stack Overflow - Search for 'Stack Overflow'
def CreateText(win, text, x, y, size, font, color, style): txtObject = Text(Point(x,y), text) if size==None: txtObject.setSize(12) else: txtObject.setSize(size) if font==None: txtObject.setFace("courier") else: txtObject.setFace(font) if color==None: … >>> More
Avoiding new operator in JavaScript -- the better way

as seen on Programmers - Search for 'Programmers'
Warning: This is a long post. Let's keep it simple. I want to avoid having to prefix the new operator every time I call a constructor in JavaScript. This is because I tend to forget it, and my code screws up badly. The simple way around this is this... function Make(x) { if ( !(this instanceof… >>> More
Writting this Bash Script to accept Arguments?

as seen on Super User - Search for 'Super User'
How would I go about converting this bash script: mkdir /store/sftp/%USERNAME% sudo useradd -d /incoming %USERNAME% sudo passwd %USERNAME% ## Password needs to be typed or passed in here sudo usermod -g sftp %USERNAME% sudo usermod -s /bin/false %USERNAME% sudo chmod 755 /store/sftp/%USERNAME% sudo… >>> More