.TH "u8c_iscntrl" "3" "" "u8c" "u8c API Manual" .SH NAME .PP u8c_iscntrl - Is control - Check if a character is a control character. .SH DECLARATION .PP .nf \f[C] # include # include # include extern bool u8c_iscntrl(uint_least8_t * const res,char32_t const chr); \f[R] .fi .SH DESCRIPTION .PP .SH VERSION .PP u8c X