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#include <stdarg.h>
#define va_arg(ap, type) __builtin_va_arg(ap, type)
/** get an unnamed parameter **/
/***
retrieves the next unnamed parameter for use. The
ARGUMENT(ap) parameter must be first initialized with a call to FUNCTION(va_start).
Each successive call to FUNCTION(va_arg) evaluates the next argument as an
object of type ARGUMENT(type) and returns that value, modifying ARGUMENT(ap) for use in
the next call to FUNCTION(va_arg).
***/
/*
PROTOTYPE(TYPE(VAR(type)) va_arg(va_list ap, TYPE(VAR(type)));)
UNDEFINED(There is no next argument)
UNDEFINED(The next argument is not compatible with TYPE(ARGUMENT(type)))
RETURN_SUCCESS(an object of TYPE(ARGUMENT(type)) which is the next unnamed function parameter)
*/
/*
STDC(1)
*/
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