0-99.c

#include <stdio.h>

#define CAT(a, ...) PRIMITIVE_CAT(a, __VA_ARGS__)
#define PRIMITIVE_CAT(a, ...) a ## __VA_ARGS__

#define COMPL(b) PRIMITIVE_CAT(COMPL_, b)
#define COMPL_0 1
#define COMPL_1 0

#define BITAND(x) PRIMITIVE_CAT(BITAND_, x)
#define BITAND_0(y) 0
#define BITAND_1(y) y

#define INC(x) PRIMITIVE_CAT(INC_, x)
#define INC_0 1
#define INC_1 2
#define INC_2 3
#define INC_3 4
#define INC_4 5
#define INC_5 6
#define INC_6 7
#define INC_7 8
#define INC_8 9
#define INC_9 10
#define INC_10 11
#define INC_11 12
#define INC_12 13
#define INC_13 14
#define INC_14 15
#define INC_15 16
#define INC_16 17
#define INC_17 18
#define INC_18 19
#define INC_19 20
#define INC_20 21
#define INC_21 22
#define INC_22 23
#define INC_23 24
#define INC_24 25
#define INC_25 26
#define INC_26 27
#define INC_27 28
#define INC_28 29
#define INC_29 30
#define INC_30 31
#define INC_31 32
#define INC_32 33
#define INC_33 34
#define INC_34 35
#define INC_35 36
#define INC_36 37
#define INC_37 38
#define INC_38 39
#define INC_39 40
#define INC_40 41
#define INC_41 42
#define INC_42 43
#define INC_43 44
#define INC_44 45
#define INC_45 46
#define INC_46 47
#define INC_47 48
#define INC_48 49
#define INC_49 50
#define INC_50 51
#define INC_51 52
#define INC_52 53
#define INC_53 54
#define INC_54 55
#define INC_55 56
#define INC_56 57
#define INC_57 58
#define INC_58 59
#define INC_59 60
#define INC_60 61
#define INC_61 62
#define INC_62 63
#define INC_63 64
#define INC_64 65
#define INC_65 66
#define INC_66 67
#define INC_67 68
#define INC_68 69
#define INC_69 70
#define INC_70 71
#define INC_71 72
#define INC_72 73
#define INC_73 74
#define INC_74 75
#define INC_75 76
#define INC_76 77
#define INC_77 78
#define INC_78 79
#define INC_79 80
#define INC_80 81
#define INC_81 82
#define INC_82 83
#define INC_83 84
#define INC_84 85
#define INC_85 86
#define INC_86 87
#define INC_87 88
#define INC_88 89
#define INC_89 90
#define INC_90 91
#define INC_91 92
#define INC_92 93
#define INC_93 94
#define INC_94 95
#define INC_95 96
#define INC_96 97
#define INC_97 98

#define DEC(x) PRIMITIVE_CAT(DEC_, x)
#define DEC_0 0
#define DEC_1 0
#define DEC_2 1
#define DEC_3 2
#define DEC_4 3
#define DEC_5 4
#define DEC_6 5
#define DEC_7 6
#define DEC_8 7
#define DEC_9 8
#define DEC_10 9
#define DEC_11 10
#define DEC_12 11
#define DEC_13 12
#define DEC_14 13
#define DEC_15 14
#define DEC_16 15
#define DEC_17 16
#define DEC_18 17
#define DEC_19 18
#define DEC_20 19
#define DEC_21 20
#define DEC_22 21
#define DEC_23 22
#define DEC_24 23
#define DEC_25 24
#define DEC_26 25
#define DEC_27 26
#define DEC_28 27
#define DEC_29 28
#define DEC_30 29
#define DEC_31 30
#define DEC_32 31
#define DEC_33 32
#define DEC_34 33
#define DEC_35 34
#define DEC_36 35
#define DEC_37 36
#define DEC_38 37
#define DEC_39 38
#define DEC_40 39
#define DEC_41 40
#define DEC_42 41
#define DEC_43 42
#define DEC_44 43
#define DEC_45 44
#define DEC_46 45
#define DEC_47 46
#define DEC_48 47
#define DEC_49 48
#define DEC_50 49
#define DEC_51 50
#define DEC_52 51
#define DEC_53 52
#define DEC_54 53
#define DEC_55 54
#define DEC_56 55
#define DEC_57 56
#define DEC_58 57
#define DEC_59 58
#define DEC_60 59
#define DEC_61 60
#define DEC_62 61
#define DEC_63 62
#define DEC_64 63
#define DEC_65 64
#define DEC_66 65
#define DEC_67 66
#define DEC_68 67
#define DEC_69 68
#define DEC_70 69
#define DEC_71 70
#define DEC_72 71
#define DEC_73 72
#define DEC_74 73
#define DEC_75 74
#define DEC_76 75
#define DEC_77 76
#define DEC_78 77
#define DEC_79 78
#define DEC_80 79
#define DEC_81 80
#define DEC_82 81
#define DEC_83 82
#define DEC_84 83
#define DEC_85 84
#define DEC_86 85
#define DEC_87 86
#define DEC_88 87
#define DEC_89 88
#define DEC_90 89
#define DEC_91 90
#define DEC_92 91
#define DEC_93 92
#define DEC_94 93
#define DEC_95 94
#define DEC_96 95
#define DEC_97 96
#define DEC_98 97
#define DEC_99 98
#define DEC_100 99

#define CHECK_N(x, n, ...) n
#define CHECK(...) CHECK_N(__VA_ARGS__, 0,)
#define PROBE(x) x, 1,

#define IS_PAREN(x) CHECK(IS_PAREN_PROBE x)
#define IS_PAREN_PROBE(...) PROBE(~)

#define NOT(x) CHECK(PRIMITIVE_CAT(NOT_, x))
#define NOT_0 PROBE(~)

#define COMPL(b) PRIMITIVE_CAT(COMPL_, b)
#define COMPL_0 1
#define COMPL_1 0

#define BOOL(x) COMPL(NOT(x))

#define IIF(c) PRIMITIVE_CAT(IIF_, c)
#define IIF_0(t, ...) __VA_ARGS__
#define IIF_1(t, ...) t

#define IF(c) IIF(BOOL(c))

#define EAT(...)
#define EXPAND(...) __VA_ARGS__
#define WHEN(c) IF(c)(EXPAND, EAT)

#define EMPTY()
#define DEFER(id) id EMPTY()
#define OBSTRUCT(id) id DEFER(EMPTY)()

#define EVAL(...)  EVAL1(EVAL1(EVAL1(__VA_ARGS__)))
#define EVAL1(...) EVAL2(EVAL2(EVAL2(__VA_ARGS__)))
#define EVAL2(...) EVAL3(EVAL3(EVAL3(__VA_ARGS__)))
#define EVAL3(...) EVAL4(EVAL4(EVAL4(__VA_ARGS__)))
#define EVAL4(...) EVAL5(EVAL5(EVAL5(__VA_ARGS__)))
#define EVAL5(...) __VA_ARGS__

#define REPEAT(count, macro, ...) \
    WHEN(count) \
    ( \
        OBSTRUCT(REPEAT_INDIRECT) () \
        ( \
            DEC(count), macro, __VA_ARGS__ \
        ) \
        OBSTRUCT(macro) \
        ( \
            DEC(count), __VA_ARGS__ \
        ) \
    )
#define REPEAT_INDIRECT() REPEAT

#define WHILE(pred, op, ...) \
    IF(pred(__VA_ARGS__)) \
    ( \
        OBSTRUCT(WHILE_INDIRECT) () \
        ( \
            pred, op, op(__VA_ARGS__) \
        ), \
        __VA_ARGS__ \
    )
#define WHILE_INDIRECT() WHILE

#define PRIMITIVE_COMPARE(x, y) IS_PAREN \
( \
    COMPARE_ ## x ( COMPARE_ ## y) (())  \
)

#define IS_COMPARABLE(x) IS_PAREN( CAT(COMPARE_, x) (()) )

#define NOT_EQUAL(x, y) \
IIF(BITAND(IS_COMPARABLE(x))(IS_COMPARABLE(y)) ) \
( \
   PRIMITIVE_COMPARE, \
   1 EAT \
)(x, y)

#define EQUAL(x, y) COMPL(NOT_EQUAL(x, y))

#define COMMA() ,

#define COMMA_IF(n) IF(n)(COMMA, EAT)()

#define PRINT_I(i, _) printf("%d\n", i);
#define print_n(N) EVAL(REPEAT(N, PRINT_I, ~))

int main(){
	print_n(100);
	
	return 0;
}