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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[R]
.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 \[lq]%s\[rq] and \[lq]%c\[rq]
specifiers.
.PP
Returns true on success, false on error.
.SH SEE ALSO
.PP
al_ustr_appendf(3alleg5), al_ustr_append(3alleg5)