Variable Arguments in C - Sometimes, you may come across a situation, when you want to have a function that can accept a variable number of arguments (parameters) instead of a predefined number of arguments. The C programming language provides a solution
http://www.cprogramming.com/tutorial/c/lesson17.html #include <stdarg.h>#include<stdio.h>/*this function will take the number of values to average followed by all of the numbers to average*/doubleaverage (intnum, ... ) { va_list arguments;doublesum =0;/*Initializing arguments to store...
Another way would be to write a function that can take any number of arguments. So you could write avg(4, 12.2, 23.3, 33.3, 12.1); or you could write avg(2, 2.3, 34.4); The advantage of this approach is that it's much easier to change the code if you want to change the ...
This paper analyzes the parametertransport mechanism of variable argument′s functions in C/C ++ ,and gives a new method for rightly and agilely accessing parameters in functions that accept a variable number of arguments. 文章对可变参数函数的参数传递机制进行了剖析 ,给出了准确、灵活设计可变参数...
def functionName(args: String*){ //code to be executed } Explanation The preceding Syntax initializes a functionfunctionname(), this function usesvariable argumentsof the datatype string in its definition. Example of function with variable arguments ...
I need to create dynamic string by given format(%d,%s,%f,%lf,%c) using variable number of arguments in function. This code gives me an error(main.exe has stopped working): C: #include<stdio.h> #include<stdarg.h> #include<string.h> #include<stdlib.h> char *form(char *format,.....
type va_arg(va_list ap, type);Parameters or Argumentsap A variable argument list. type The type of the argument.ReturnsThe va_arg function returns the value of the argument.Required HeaderIn the C Language, the required header for the va_arg function is:#include <stdarg.h>...
13.4. Using Variable Arguments Properly Problem You need a way to protect a function that accepts a variable number of arguments from reading more arguments than were passed to the … - Selection from Secure Programming Cookbook for C and C++ [Book]
This program willdemonstrate example of Variable Arguments, in this program we will create a user define function for calculating sum of N arguments, using Variable Arguments we can pass multiple arguments in the function. Example of Variable Arguments using C program ...
C supports functions that take a variable number of arguments.The va_* family of macros, defined in the standard header file , providea portable way for a function to examine its arguments. Read the man pages forstdarg(3) to learn how these work.A common use of variable arguments is to...