#define DEFINE_CHAR_CONVERSION_FUNCTIONS(varname1, longname1, chartype1,\
varname2, longname2, chartype2,\
worst_case_len_expr, \
#define DEFINE_CHAR_CONVERSION_FUNCTIONS(varname1, longname1, chartype1,\
varname2, longname2, chartype2,\
worst_case_len_expr, \