Sets the font-functions structure to use for a font, based on the
specified name.
If name is NULL or the empty string, the default (first) functioning font-functions
are used. This default can be changed by setting the HB_FONT_FUNCS environment
variable to the name of the desired font-functions.
Sets the font-functions structure to use for a font, based on the specified name.
If
nameisNULLor the empty string, the default (first) functioning font-functions are used. This default can be changed by setting theHB_FONT_FUNCSenvironment variable to the name of the desired font-functions.