Standard library header - cppreference.com (original) (raw)
This header was originally in the C standard library as <stdarg.h>.
This header provides support for C-style variadic functions, while the C definition of "default argument promotions" is replaced with the C++ definition.
[edit] Synopsis
namespace std { using va_list = /see description/ ; } #define va_arg(V, P) /see description/ #define va_copy(VDST, VSRC) /see description/ #define va_end(V) /see description/ #define va_start(V, P) /see description/
[edit] Defect reports
The following behavior-changing defect reports were applied retroactively to previously published C++ standards.
| DR | Applied to | Behavior as published | Correct behavior |
|---|---|---|---|
| CWG 2645 | C++98 | C++ defines "default argument promotions", but its C definition was used | the C++ definition overrides the C definition |