.TH "al_ustr_appendf(3alleg5) Allegro reference manual" "" "" "" "" .SH NAME .PP al_ustr_appendf \- Allegro 5 API .SH SYNOPSIS .IP .nf \f[C] #include\ bool\ al_ustr_appendf(ALLEGRO_USTR\ *us,\ const\ char\ *fmt,\ ...) \f[] .fi .SH DESCRIPTION .PP This function appends formatted output to the string \f[C]us\f[]. \f[C]fmt\f[] is a printf\-style format string. 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_vappendf(3alleg5), al_ustr_append(3alleg5)