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.TH "al_ustr_vappendf(3alleg5) Allegro reference manual" "" "" "" ""
.hy
.SH NAME
.PP
al_ustr_vappendf \- Allegro 5 API
.SH SYNOPSIS
.IP
.nf
\f[C]
#include\ <allegro5/allegro.h>

bool\ al_ustr_vappendf(ALLEGRO_USTR\ *us,\ const\ char\ *fmt,\ va_list\ ap)
\f[]
.fi
.SH DESCRIPTION
.PP
Like al_ustr_appendf(3alleg5) but you pass the variable argument list
directly, instead of the arguments themselves.
See al_ustr_newf(3alleg5) about the "%s" and "%c" specifiers.
.PP
Returns true on success, false on error.
.SH SEE ALSO
.PP
al_ustr_appendf(3alleg5), al_ustr_append(3alleg5)