va_start()
Start getting items from a variable argument list
Synopsis:
#include <stdarg.h>
void va_start( va_list param,
previous );
Since:
BlackBerry 10.0.0
Arguments:
- param
- A va_list object that the "varargs" macros can use to locate the arguments.
- previous
- The argument that immediately precedes the "..." notation in the original function definition.
Library:
libc
Use the -l c option to qcc to link against this library. This library is usually included automatically.
Description:
Use the va_start() macro to start the acquisition of arguments from a list of variable arguments.
You must use the va_start() macro with the associated macros va_arg(), va_copy(), and va_end(). For each call to va_start(), you must have a matching call to va_end(). For more information, see va_arg().
Examples:
See va_arg().
Classification:
| Safety: | |
|---|---|
| Cancellation point | No |
| Interrupt handler | Yes |
| Signal handler | Yes |
| Thread | Yes |
Caveats:
va_start() is a macro.
Last modified: 2014-06-24