stem_iso_8859_1_english.c

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    {   int c = z->c; /* do, line 29 */
        while(1) { /* repeat, line 29 */
            int c = z->c;
            while(1) { /* goto, line 29 */
                int c = z->c;
                if (!(in_grouping(z, g_v, 97, 121))) goto lab4;
                z->bra = z->c; /* [, line 29 */
                if (!(eq_s(z, 1, s_3))) goto lab4;
                z->ket = z->c; /* ], line 29 */
                z->c = c;
                break;
            lab4:
                z->c = c;
                if (z->c >= z->l) goto lab3;
                z->c++; /* goto, line 29 */
            }
            {   int ret;
                ret = slice_from_s(z, 1, s_4); /* <-, line 29 */
                if (ret < 0) return ret;
            }
            z->B[0] = 1; /* set Y_found, line 29 */
            continue;
        lab3:
            z->c = c;
            break;
        }
        z->c = c;
    }
    return 1;
}

static int r_mark_regions(struct SN_env * z) {
    z->I[0] = z->l;
    z->I[1] = z->l;
    {   int c = z->c; /* do, line 35 */
        {   int c = z->c; /* or, line 41 */
            if (z->c + 4 >= z->l || z->p[z->c + 4] >> 5 != 3 || !((2375680 >> (z->p[z->c + 4] & 0x1f)) & 1)) goto lab2;
            if (!(find_among(z, a_0, 3))) goto lab2; /* among, line 36 */
            goto lab1;
        lab2:
            z->c = c;
            while(1) { /* gopast, line 41 */
                if (!(in_grouping(z, g_v, 97, 121))) goto lab3;
                break;
            lab3:
                if (z->c >= z->l) goto lab0;
                z->c++; /* gopast, line 41 */
            }
            while(1) { /* gopast, line 41 */
                if (!(out_grouping(z, g_v, 97, 121))) goto lab4;
                break;
            lab4:
                if (z->c >= z->l) goto lab0;
                z->c++; /* gopast, line 41 */
            }
        }
    lab1:
        z->I[0] = z->c; /* setmark p1, line 42 */
        while(1) { /* gopast, line 43 */
            if (!(in_grouping(z, g_v, 97, 121))) goto lab5;
            break;
        lab5:
            if (z->c >= z->l) goto lab0;
            z->c++; /* gopast, line 43 */
        }
        while(1) { /* gopast, line 43 */
            if (!(out_grouping(z, g_v, 97, 121))) goto lab6;
            break;
        lab6:
            if (z->c >= z->l) goto lab0;
            z->c++; /* gopast, line 43 */
        }
        z->I[1] = z->c; /* setmark p2, line 43 */
    lab0:
        z->c = c;
    }
    return 1;
}

static int r_shortv(struct SN_env * z) {
    {   int m = z->l - z->c; (void) m; /* or, line 51 */
        if (!(out_grouping_b(z, g_v_WXY, 89, 121))) goto lab1;
        if (!(in_grouping_b(z, g_v, 97, 121))) goto lab1;
        if (!(out_grouping_b(z, g_v, 97, 121))) goto lab1;
        goto lab0;
    lab1:
        z->c = z->l - m;
        if (!(out_grouping_b(z, g_v, 97, 121))) return 0;
        if (!(in_grouping_b(z, g_v, 97, 121))) return 0;
        if (z->c > z->lb) return 0; /* atlimit, line 52 */
    }
lab0:
    return 1;
}

static int r_R1(struct SN_env * z) {
    if (!(z->I[0] <= z->c)) return 0;
    return 1;
}

static int r_R2(struct SN_env * z) {
    if (!(z->I[1] <= z->c)) return 0;
    return 1;
}

static int r_Step_1a(struct SN_env * z) {
    int among_var;
    {   int m = z->l - z->c; (void) m; /* try, line 59 */
        z->ket = z->c; /* [, line 60 */
        if (z->c <= z->lb || (z->p[z->c - 1] != 39 && z->p[z->c - 1] != 115)) { z->c = z->l - m; goto lab0; }
        among_var = find_among_b(z, a_1, 3); /* substring, line 60 */
        if (!(among_var)) { z->c = z->l - m; goto lab0; }
        z->bra = z->c; /* ], line 60 */
        switch(among_var) {
            case 0: { z->c = z->l - m; goto lab0; }
            case 1:
                {   int ret;
                    ret = slice_del(z); /* delete, line 62 */
                    if (ret < 0) return ret;
                }
                break;
        }
    lab0:
        ;
    }
    z->ket = z->c; /* [, line 65 */
    if (z->c <= z->lb || (z->p[z->c - 1] != 100 && z->p[z->c - 1] != 115)) return 0;
    among_var = find_among_b(z, a_2, 6); /* substring, line 65 */
    if (!(among_var)) return 0;
    z->bra = z->c; /* ], line 65 */
    switch(among_var) {
        case 0: return 0;
        case 1:
            {   int ret;
                ret = slice_from_s(z, 2, s_5); /* <-, line 66 */
                if (ret < 0) return ret;
            }
            break;
        case 2:
            {   int m = z->l - z->c; (void) m; /* or, line 68 */
                {   int c = z->c - 2;
                    if (z->lb > c || c > z->l) goto lab2;
                    z->c = c; /* hop, line 68 */
                }
                {   int ret;
                    ret = slice_from_s(z, 1, s_6); /* <-, line 68 */
                    if (ret < 0) return ret;
                }
                goto lab1;
            lab2:
                z->c = z->l - m;
                {   int ret;
                    ret = slice_from_s(z, 2, s_7); /* <-, line 68 */
                    if (ret < 0) return ret;
                }
            }
        lab1:
            break;
        case 3:
            if (z->c <= z->lb) return 0;
            z->c--; /* next, line 69 */
            while(1) { /* gopast, line 69 */
                if (!(in_grouping_b(z, g_v, 97, 121))) goto lab3;
                break;
            lab3:
                if (z->c <= z->lb) return 0;
                z->c--; /* gopast, line 69 */
            }
            {   int ret;
                ret = slice_del(z); /* delete, line 69 */
                if (ret < 0) return ret;
            }
            break;
    }
    return 1;
}

static int r_Step_1b(struct SN_env * z) {
    int among_var;
    z->ket = z->c; /* [, line 75 */
    if (z->c <= z->lb || z->p[z->c - 1] >> 5 != 3 || !((33554576 >> (z->p[z->c - 1] & 0x1f)) & 1)) return 0;
    among_var = find_among_b(z, a_4, 6); /* substring, line 75 */
    if (!(among_var)) return 0;
    z->bra = z->c; /* ], line 75 */
    switch(among_var) {
        case 0: return 0;
        case 1:
            {   int ret = r_R1(z);
                if (ret == 0) return 0; /* call R1, line 77 */
                if (ret < 0) return ret;
            }
            {   int ret;
                ret = slice_from_s(z, 2, s_8); /* <-, line 77 */
                if (ret < 0) return ret;
            }
            break;
        case 2:
            {   int m_test = z->l - z->c; /* test, line 80 */
                while(1) { /* gopast, line 80 */
                    if (!(in_grouping_b(z, g_v, 97, 121))) goto lab0;
                    break;
                lab0:
                    if (z->c <= z->lb) return 0;
                    z->c--; /* gopast, line 80 */
                }
                z->c = z->l - m_test;
            }
            {   int ret;
                ret = slice_del(z); /* delete, line 80 */
                if (ret < 0) return ret;
            }
            {   int m_test = z->l - z->c; /* test, line 81 */
                if (z->c <= z->lb || z->p[z->c - 1] >> 5 != 3 || !((68514004 >> (z->p[z->c - 1] & 0x1f)) & 1)) among_var = 3; else
                among_var = find_among_b(z, a_3, 13); /* substring, line 81 */
                if (!(among_var)) return 0;
                z->c = z->l - m_test;
            }
            switch(among_var) {
                case 0: return 0;
                case 1:
                    {   int ret;
                        {   int c = z->c;
                            ret = insert_s(z, z->c, z->c, 1, s_9); /* <+, line 83 */
                            z->c = c;
                        }
                        if (ret < 0) return ret;
                    }
                    break;
                case 2:
                    z->ket = z->c; /* [, line 86 */
                    if (z->c <= z->lb) return 0;
                    z->c--; /* next, line 86 */
                    z->bra = z->c; /* ], line 86 */
                    {   int ret;
                        ret = slice_del(z); /* delete, line 86 */
                        if (ret < 0) return ret;
                    }
                    break;
                case 3:
                    if (z->c != z->I[0]) return 0; /* atmark, line 87 */
                    {   int m_test = z->l - z->c; /* test, line 87 */
                        {   int ret = r_shortv(z);
                            if (ret == 0) return 0; /* call shortv, line 87 */
                            if (ret < 0) return ret;
                        }
                        z->c = z->l - m_test;
                    }
                    {   int ret;
                        {   int c = z->c;
                            ret = insert_s(z, z->c, z->c, 1, s_10); /* <+, line 87 */
                            z->c = c;
                        }
                        if (ret < 0) return ret;
                    }
                    break;
            }
            break;
    }
    return 1;
}

static int r_Step_1c(struct SN_env * z) {
    z->ket = z->c; /* [, line 94 */
    {   int m = z->l - z->c; (void) m; /* or, line 94 */
        if (!(eq_s_b(z, 1, s_11))) goto lab1;
        goto lab0;
    lab1:
        z->c = z->l - m;
        if (!(eq_s_b(z, 1, s_12))) return 0;
    }
lab0:
    z->bra = z->c; /* ], line 94 */
    if (!(out_grouping_b(z, g_v, 97, 121))) return 0;
    {   int m = z->l - z->c; (void) m; /* not, line 95 */
        if (z->c > z->lb) goto lab2; /* atlimit, line 95 */
        return 0;
    lab2:
        z->c = z->l - m;
    }
    {   int ret;
        ret = slice_from_s(z, 1, s_13); /* <-, line 96 */
        if (ret < 0) return ret;
    }
    return 1;
}

static int r_Step_2(struct SN_env * z) {
    int among_var;
    z->ket = z->c; /* [, line 100 */
    if (z->c <= z->lb || z->p[z->c - 1] >> 5 != 3 || !((815616 >> (z->p[z->c - 1] & 0x1f)) & 1)) return 0;
    among_var = find_among_b(z, a_5, 24); /* substring, line 100 */
    if (!(among_var)) return 0;
    z->bra = z->c; /* ], line 100 */
    {   int ret = r_R1(z);
        if (ret == 0) return 0; /* call R1, line 100 */
        if (ret < 0) return ret;
    }
    switch(among_var) {
        case 0: return 0;
        case 1:
            {   int ret;
                ret = slice_from_s(z, 4, s_14); /* <-, line 101 */
                if (ret < 0) return ret;
            }
            break;
        case 2:
            {   int ret;
                ret = slice_from_s(z, 4, s_15); /* <-, line 102 */
                if (ret < 0) return ret;
            }
            break;
        case 3:
            {   int ret;
                ret = slice_from_s(z, 4, s_16); /* <-, line 103 */
                if (ret < 0) return ret;
            }
            break;
        case 4:
            {   int ret;
                ret = slice_from_s(z, 4, s_17); /* <-, line 104 */
                if (ret < 0) return ret;
            }
            break;
        case 5:
            {   int ret;
                ret = slice_from_s(z, 3, s_18); /* <-, line 105 */
                if (ret < 0) return ret;
            }
            break;
        case 6:
            {   int ret;
                ret = slice_from_s(z, 3, s_19); /* <-, line 107 */
                if (ret < 0) return ret;
            }
            break;
        case 7:
            {   int ret;
                ret = slice_from_s(z, 3, s_20); /* <-, line 109 */
                if (ret < 0) return ret;
            }
            break;
        case 8:
            {   int ret;
                ret = slice_from_s(z, 2, s_21); /* <-, line 111 */
                if (ret < 0) return ret;
            }
            break;
        case 9:
            {   int ret;
                ret = slice_from_s(z, 3, s_22); /* <-, line 112 */
                if (ret < 0) return ret;
            }
            break;
        case 10:
            {   int ret;
                ret = slice_from_s(z, 3, s_23); /* <-, line 114 */
                if (ret < 0) return ret;
            }
            break;
        case 11:
            {   int ret;
                ret = slice_from_s(z, 3, s_24); /* <-, line 116 */
                if (ret < 0) return ret;
            }
            break;
        case 12:
            {   int ret;
                ret = slice_from_s(z, 3, s_25); /* <-, line 118 */
                if (ret < 0) return ret;
            }
            break;
        case 13:
            if (!(eq_s_b(z, 1, s_26))) return 0;
            {   int ret;
                ret = slice_from_s(z, 2, s_27); /* <-, line 119 */
                if (ret < 0) return ret;
            }
            break;
        case 14:
            {   int ret;
                ret = slice_from_s(z, 3, s_28); /* <-, line 120 */
                if (ret < 0) return ret;
            }
            break;
        case 15:
            {   int ret;
                ret = slice_from_s(z, 4, s_29); /* <-, line 121 */
                if (ret < 0) return ret;
            }
            break;
        case 16:
            if (!(in_grouping_b(z, g_valid_LI, 99, 116))) return 0;
            {   int ret;
                ret = slice_del(z); /* delete, line 122 */
                if (ret < 0) return ret;