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va_list(3type) va_list(3type)
va_list - variable argument list
Standard C library (libc)
#include <stdarg.h> typedef /* ... */ va_list;
Used by functions with a varying number of arguments of varying types. The function must declare an object of type va_list which is used by the macros va_start(3), va_arg(3), va_copy(3), and va_end(3) to traverse the list of arguments.
C11, POSIX.1-2008.
C89, POSIX.1-2001.
The following headers also provide va_list: <stdio.h> and <wchar.h>.
va_start(3), va_arg(3), va_copy(3), va_end(3)
Linux man-pages 6.04 2023-03-30 va_list(3type)