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)

2023-10-31 Linux man-pages 6.7