diff --git a/examples/sixdraw.c b/examples/sixdraw.c
index dbfb314..a442140 100644
--- a/examples/sixdraw.c
+++ b/examples/sixdraw.c
@@ -44,7 +44,7 @@
 struct sixdraw_ctx {
     struct termios          termios;
     union ctlseqs_value     buffer[10];
-    char                   *prog_name;
+    char const             *prog_name;
     struct ctlseqs_matcher *matcher;
     struct ctlseqs_reader  *reader;
     bool                    has_termios;
@@ -59,7 +59,7 @@ struct sixdraw_ctx {
 };
 
 static inline void
-sixdraw_print_error(struct sixdraw_ctx *ctx, char const *msg)
+sixdraw_print_error(struct sixdraw_ctx const *ctx, char const *msg)
 {
     dprintf(ctx->out_fd, "%s: [error] %s.\n", ctx->prog_name, msg);
 }
diff --git a/tests/tcsgrep.c b/tests/tcsgrep.c
index ee9099a..5b8fa3c 100644
--- a/tests/tcsgrep.c
+++ b/tests/tcsgrep.c
@@ -19,6 +19,13 @@
 
 #include "ctlseqs.h"
 
+#include <errno.h>
+#include <limits.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
 #define TCSGREP_NINTH_ARG_(a1, a2, a3, a4, a5, a6, a7, a8, a9, ...) a9
 #define TCSGREP_COUNT_ARGS_(...) TCSGREP_NINTH_ARG_(__VA_ARGS__, 8, 7, 6, 5, 4, 3, 2, 1, 0)
 
@@ -44,6 +51,54 @@ struct tcsgrep_sequence {
     char const  args[8];
 };
 
+struct tcsgrep_ctx {
+    char const *prog_name;
+    int         timeout;
+    int         limit;
+};
+
+static inline void
+print_error(struct tcsgrep_ctx const *ctx, char const *msg)
+{
+    dprintf(STDERR_FILENO, "%s: [error] %s.\n", ctx->prog_name, msg);
+}
+
+static inline bool
+parse_int(char const *str, int *dest) {
+    errno = 0;
+    long result = strtol(str, NULL, 10);
+    if (errno || result < -1 || result > INT_MAX) {
+        return false;
+    }
+    *dest = result;
+    return true;
+}
+
+static bool
+parse_options(struct tcsgrep_ctx *ctx, int argc, char **argv) {
+    while (true) {
+        int result = getopt(argc, argv, "t:l:");
+        switch (result) {
+            case 't':
+                if (!parse_int(optarg, &ctx->timeout)) {
+                    print_error(ctx, "invalid timeout option");
+                    return false;
+                }
+                break;
+            case 'l':
+                if (!parse_int(optarg, &ctx->limit)) {
+                    print_error(ctx, "invalid limit option");
+                    return false;
+                }
+                break;
+            case '?':
+            default:
+                return false;
+        }
+    }
+    return true;
+}
+
 int
 main(int argc, char **argv)
 {
@@ -99,5 +154,137 @@ main(int argc, char **argv)
         TCSGREP_DEFSEQ_NOARGS(PRIMARY_DA),
         TCSGREP_DEFSEQ_NOARGS(TERTIARY_DA),
         TCSGREP_DEFSEQ_NOARGS(SECONDARY_DA),
+        TCSGREP_DEFSEQ(VPA, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(VPR, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(HVP, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(TBC, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(SM, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(DECSET, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(MC, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(MC_DEC, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(RM, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(DECRST, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(SGR, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(XTMODKEYS, CTLSEQS_PH_NUMS),
+        TCSGREP_DEFSEQ(DSR, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(XTMODKEYS_DISABLE, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(DSR_DEC, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(XTSMPOINTER, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ_NOARGS(DECSTR),
+        TCSGREP_DEFSEQ(DECSCL, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(DECRQM_ANSI, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(DECRQM, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ_NOARGS(XTVERSION),
+        TCSGREP_DEFSEQ(DECLL, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(DECSCUSR, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(DECSCA, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(DECSTBM, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(XTRESTORE, CTLSEQS_PH_NUMS),
+        TCSGREP_DEFSEQ(DECCARA, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ_NOARGS(SCOSC),
+        TCSGREP_DEFSEQ(DECSLRM, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(XTSAVE, CTLSEQS_PH_NUMS),
+        TCSGREP_DEFSEQ(XTWINOPS, CTLSEQS_PH_NUMS),
+        TCSGREP_DEFSEQ(XTSMTITLE, CTLSEQS_PH_NUMS),
+        TCSGREP_DEFSEQ(DECSWBV, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(DECRARA, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ_NOARGS(SCORC),
+        TCSGREP_DEFSEQ(DECSMBV, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(DECCRA, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM,
+            CTLSEQS_PH_NUM, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(DECRQPSR, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(DECEFR, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(DECREQTPARM, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(DECEFR, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(DECREQTPARM, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(DECSACE, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(DECFRA, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(XTCHECKSUM, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(DECRQCRA, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM,
+            CTLSEQS_PH_NUM, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(DECELR, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(DECERA, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(DECSLE, CTLSEQS_PH_NUMS),
+        TCSGREP_DEFSEQ(XTPUSHSGR, CTLSEQS_PH_NUMS),
+        TCSGREP_DEFSEQ(DECSERA, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(XTREPORTSGR, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(DECSCPP, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ_NOARGS(DECRQLP),
+        TCSGREP_DEFSEQ(DECSNLS, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ_NOARGS(XTPOPSGR),
+        TCSGREP_DEFSEQ(DECIC, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(DECDC, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(OSC_SEQ, CTLSEQS_PH_NUM, CTLSEQS_PH_STR),
+        TCSGREP_DEFSEQ(RESP_DECRQSS, CTLSEQS_PH_NUM, CTLSEQS_PH_STR),
+        TCSGREP_DEFSEQ(RESP_XTGETXRES, CTLSEQS_PH_NUM, CTLSEQS_PH_STR),
+        TCSGREP_DEFSEQ(RESP_XTGETTCAP, CTLSEQS_PH_NUM, CTLSEQS_PH_STR),
+        TCSGREP_DEFSEQ(RESP_PRIMARY_DA, CTLSEQS_PH_NUMS),
+        TCSGREP_DEFSEQ(RESP_SECONDARY_DA, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(RESP_DECXCPR, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(RESP_DSR, CTLSEQS_PH_NUMS),
+        TCSGREP_DEFSEQ(RESP_DECRQM_ANSI, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(RESP_DECRQM, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ(RESP_XTVERSION, CTLSEQS_PH_STR),
+        TCSGREP_DEFSEQ(RESP_DECCIR, CTLSEQS_PH_STR),
+        TCSGREP_DEFSEQ(RESP_DECTABSR, CTLSEQS_PH_STR),
+        TCSGREP_DEFSEQ(RESP_DECRQCRA, CTLSEQS_PH_NUM, CTLSEQS_PH_STR),
+        TCSGREP_DEFSEQ(RESP_DECRQLP, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM, CTLSEQS_PH_NUM),
+        TCSGREP_DEFSEQ_NOARGS(KEY_UP),
+        TCSGREP_DEFSEQ_NOARGS(KEY_DOWN),
+        TCSGREP_DEFSEQ_NOARGS(KEY_RIGHT),
+        TCSGREP_DEFSEQ_NOARGS(KEY_LEFT),
+        TCSGREP_DEFSEQ_NOARGS(KEY_HOME),
+        TCSGREP_DEFSEQ_NOARGS(KEY_END),
+        TCSGREP_DEFSEQ_NOARGS(KEY_INSERT),
+        TCSGREP_DEFSEQ_NOARGS(KEY_DELETE),
+        TCSGREP_DEFSEQ_NOARGS(KEY_PGUP),
+        TCSGREP_DEFSEQ_NOARGS(KEY_PGDN),
+        TCSGREP_DEFSEQ_NOARGS(KEY_F1),
+        TCSGREP_DEFSEQ_NOARGS(KEY_F2),
+        TCSGREP_DEFSEQ_NOARGS(KEY_F3),
+        TCSGREP_DEFSEQ_NOARGS(KEY_F4),
+        TCSGREP_DEFSEQ_NOARGS(KEY_F5),
+        TCSGREP_DEFSEQ_NOARGS(KEY_F6),
+        TCSGREP_DEFSEQ_NOARGS(KEY_F7),
+        TCSGREP_DEFSEQ_NOARGS(KEY_F8),
+        TCSGREP_DEFSEQ_NOARGS(KEY_F9),
+        TCSGREP_DEFSEQ_NOARGS(KEY_F10),
+        TCSGREP_DEFSEQ_NOARGS(KEY_F11),
+        TCSGREP_DEFSEQ_NOARGS(KEY_F12),
     };
+    struct tcsgrep_ctx ctx = {
+        .prog_name = argv[0],
+        .timeout = -1,
+        .limit = -1,
+    };
+    if (!parse_options(&ctx, argc, argv)) {
+        return 1;
+    }
+    struct ctlseqs_matcher *matcher = ctlseqs_matcher_init();
+    if (matcher == NULL) {
+        print_error(&ctx, "failed to initialize matcher");
+        return 1;
+    }
+    size_t npatterns = sizeof(seqs) / sizeof(struct tcsgrep_sequence);
+    char const **patterns = malloc(sizeof(char const *) * npatterns);
+    if (patterns == NULL) {
+        print_error(&ctx, "failed to allocate memory");
+        return 1;
+    }
+    for (size_t idx = 0; idx < npatterns; ++idx) {
+        patterns[idx] = seqs[idx].pattern;
+    }
+    struct ctlseqs_matcher_opts matcher_opts = {
+        .patterns = patterns,
+        .npatterns = npatterns,
+    };
+    if (!ctlseqs_matcher_setopt(matcher, &matcher_opts)) {
+        print_error(&ctx, "matcher setopt failed");
+        return 1;
+    }
+    struct ctlseqs_reader *reader = ctlseqs_reader_init();
+    if (reader == NULL) {
+        print_error(&ctx, "failed to initialize reader");
+    }
+    return 0;
 }