.\" Copyright 2020, Michael Kerrisk <mtk.manpages@gmail.com>
.\" Copyright, the authors of the Linux man-pages project
.\"
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.TH va_list 3type 2026-02-08 "Linux man-pages 6.19"
.SH NAME
va_list \- variable argument list
.SH LIBRARY
Standard C library
.RI ( libc )
.SH SYNOPSIS
.nf
.B #include <stdarg.h>
.P
.BR typedef " /* ... */  " va_list;
.fi
.SH DESCRIPTION
Used by functions with a varying number of arguments of varying types.
The function must declare an object of type
.I va_list
which is used by the macros
.BR va_start (3),
.BR va_arg (3),
.BR va_copy (3),
and
.BR va_end (3)
to traverse the list of arguments.
.SH STANDARDS
C11, POSIX.1-2024.
.SH HISTORY
C89,
SUSv1,
POSIX.1-2001.
.SH NOTES
The following headers also provide
.IR va_list :
.I <stdio.h>
and
.IR <wchar.h> .
.SH SEE ALSO
.BR va_start (3),
.BR va_arg (3),
.BR va_copy (3),
.BR va_end (3)