CTYPE_MASK_lower
/* 61 a */ CTYPE_MASK_graph | CTYPE_MASK_lower | CTYPE_MASK_print
/* 62 b */ CTYPE_MASK_graph | CTYPE_MASK_lower | CTYPE_MASK_print
/* 63 c */ CTYPE_MASK_graph | CTYPE_MASK_lower | CTYPE_MASK_print
/* 64 d */ CTYPE_MASK_graph | CTYPE_MASK_lower | CTYPE_MASK_print
/* 65 e */ CTYPE_MASK_graph | CTYPE_MASK_lower | CTYPE_MASK_print
/* 66 f */ CTYPE_MASK_graph | CTYPE_MASK_lower | CTYPE_MASK_print
/* 67 g */ CTYPE_MASK_graph | CTYPE_MASK_lower | CTYPE_MASK_print
/* 68 h */ CTYPE_MASK_graph | CTYPE_MASK_lower | CTYPE_MASK_print
/* 69 i */ CTYPE_MASK_graph | CTYPE_MASK_lower | CTYPE_MASK_print
/* 6A j */ CTYPE_MASK_graph | CTYPE_MASK_lower | CTYPE_MASK_print
/* 6B k */ CTYPE_MASK_graph | CTYPE_MASK_lower | CTYPE_MASK_print
/* 6C l */ CTYPE_MASK_graph | CTYPE_MASK_lower | CTYPE_MASK_print
/* 6D m */ CTYPE_MASK_graph | CTYPE_MASK_lower | CTYPE_MASK_print
/* 6E n */ CTYPE_MASK_graph | CTYPE_MASK_lower | CTYPE_MASK_print
/* 6F o */ CTYPE_MASK_graph | CTYPE_MASK_lower | CTYPE_MASK_print
/* 70 p */ CTYPE_MASK_graph | CTYPE_MASK_lower | CTYPE_MASK_print
/* 71 q */ CTYPE_MASK_graph | CTYPE_MASK_lower | CTYPE_MASK_print
/* 72 r */ CTYPE_MASK_graph | CTYPE_MASK_lower | CTYPE_MASK_print
/* 73 s */ CTYPE_MASK_graph | CTYPE_MASK_lower | CTYPE_MASK_print
/* 74 t */ CTYPE_MASK_graph | CTYPE_MASK_lower | CTYPE_MASK_print
/* 75 u */ CTYPE_MASK_graph | CTYPE_MASK_lower | CTYPE_MASK_print
/* 76 v */ CTYPE_MASK_graph | CTYPE_MASK_lower | CTYPE_MASK_print
/* 77 w */ CTYPE_MASK_graph | CTYPE_MASK_lower | CTYPE_MASK_print
/* 78 x */ CTYPE_MASK_graph | CTYPE_MASK_lower | CTYPE_MASK_print
/* 79 y */ CTYPE_MASK_graph | CTYPE_MASK_lower | CTYPE_MASK_print
/* 7A z */ CTYPE_MASK_graph | CTYPE_MASK_lower | CTYPE_MASK_print
#define CTYPE_MASK_alpha (CTYPE_MASK_lower | CTYPE_MASK_upper)