Argument access
The va_arg, va_end, and va_start macros provide access to function arguments when the number of arguments is variable. These macros are defined in <stdarg.h> for ANSI/ISO C compatibility and in <varargs.h> for compatibility with UNIX System V.
Argument-access macros
| Macro | Use |
|---|---|
va_arg |
Retrieve argument from list |
va_end |
Reset pointer |
va_start |
Set pointer to beginning of argument list |