MPL Bytecode Compiler Code

17 lines (13 with data), 360 Bytes

;LIBDEF

ISDIGIT(C) C>=48?C<=57
ISUPPER(C) C>=65?C<=90
ISLOWER(C) C>=97?C<=122
ISGRAPH(C) C<32?0,C>126?0,1
ISPRINT(C) C<33?0,C>126?0,1
ISCNTRL(C) C<0?0,C>31?C==127,1
ISSPACE(C) C>=9?C<=13?1,C==32
ISALPHA(C) ISUPPER(C)::ISLOWER(C)
ISALNUM(C) ISALPHA(C)::ISDIGIT(C)

TOLOWER(C) C+(C>=65?C<=90?32)
TOUPPER(C) C-(C>=97?C<=122?32)
TOASCII(C) C&127