Provided by: libfontconfig1-dev_2.12.6-0ubuntu2_amd64 bug

NAME
       FcNameConstant - Get the value for a symbolic constant


SYNOPSIS
       #include <fontconfig/fontconfig.h>

       FcBool FcNameConstant (FcChar8 *string, int *result);


DESCRIPTION
       Returns  whether  a symbolic constant with name string is registered, placing the value of
       the constant in result if present.