/ ************************************************************************
*
* Purpose: To show ... in action. This operator (?) allows us to pass
* a variable number of parameters to a function, 'printf'
* uses ...
* Author: M.J. Leslie
* Date: 09-Jul-94
*
************************************************************************/
#include <stdio.h>
#include <stdarg.h> /* va_list, va_arg, va_end */
int set(char *item, int, num, ...);
/************************************************************************/
main()
{
char *item="pear";
(set (item,4, "apple", "pear", "banana", "grape") )
? printf ("%s found\n", item) : printf("%s not found\n", item);
}
/************************************************************************/
int set(char *item, int num, ...)
{
va_list ap; /* define 'ap' It acts as a pointer
* to the undefined variables. */
int ok=0;
int inc=0;
va_start(ap, num); /* seed 'ap' */
do {
if ( item == va_arg(ap, char *)) ok=1;
} while ( ok==0 && ++inc < num);
va_end(ap); /* tidy up. */
return (ok);
}
file: /Techref/language/ccpp/cref/EXAMPLES/varlist.c, 1KB, , updated: 1997/4/21 09:52, local time: 2024/9/7 08:42,
|
| ©2024 These pages are served without commercial sponsorship. (No popup ads, etc...).Bandwidth abuse increases hosting cost forcing sponsorship or shutdown. This server aggressively defends against automated copying for any reason including offline viewing, duplication, etc... Please respect this requirement and DO NOT RIP THIS SITE. Questions? <A HREF="http://linistepper.com/techref/language/ccpp/cref/EXAMPLES/varlist.c"> language ccpp cref EXAMPLES varlist</A> |
Did you find what you needed?
|