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#include <stdarg.h>
/** get an unnamed parameter **/
#define va_arg(__ap, __type) __builtin_va_arg(__ap, __type)
/***
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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