--- libelwix/example/test_pack.c	2013/06/28 13:05:49	1.1
+++ libelwix/example/test_pack.c	2013/06/30 22:10:27	1.2
@@ -0,0 +1,84 @@
+#include <stdio.h>
+#include <string.h>
+#include <elwix.h>
+
+
+int
+main(int argc, char **argv)
+{
+	rpack_t *rp;
+	register int i;
+	char n8 = '*';
+	short n16 = 0xdeba;
+	int n32 = 0xdeadbeef;
+	long long int n64 = 0x123456789abcdef0;
+
+	if (argc < 2)
+		return 1;
+
+	rp = rpack_create(argv[1], strlen(argv[1]) + 1);
+	if (!rp) {
+		printf("#%d - %s\n", elwix_GetErrno(), elwix_GetError());
+		return 2;
+	} else
+		printf("create raw packet %p -> %s(%d)\n", rp, rp->r_buf, rp->r_len);
+
+	printf("test rpack_uint8::\n");
+	for (i = 0; i < RPACK_LEN(rp); i++)
+		if (i == 4)
+			printf("\t%d) %c\n", i, rpack_uint8(rp, (uint8_t*) &n8));
+		else
+			printf("\t%d) %c\n", i, rpack_uint8(rp, NULL));
+	RPACK_REWIND(rp);
+	for (i = 0; i < RPACK_LEN(rp); i++)
+		printf("\t%d) %c\n", i, rpack_uint8(rp, NULL));
+	RPACK_REWIND(rp);
+
+	printf("test rpack_uint16::\n");
+	for (i = 0; i < RPACK_LEN(rp); i++)
+		if (i == 4)
+			printf("\t%d) %x\n", i, rpack_uint16(rp, (uint16_t*) &n16));
+		else
+			printf("\t%d) %x\n", i, rpack_uint16(rp, NULL));
+	RPACK_REWIND(rp);
+	for (i = 0; i < RPACK_LEN(rp); i++)
+		printf("\t%d) %x\n", i, rpack_uint16(rp, NULL));
+	RPACK_REWIND(rp);
+
+	printf("test rpack_uint24::\n");
+	for (i = 0; i < RPACK_LEN(rp); i++)
+		if (i == 4)
+			printf("\t%d) %x\n", i, rpack_uint24(rp, (uint32_t*) &n32));
+		else
+			printf("\t%d) %x\n", i, rpack_uint24(rp, NULL));
+	RPACK_REWIND(rp);
+	for (i = 0; i < RPACK_LEN(rp); i++)
+		printf("\t%d) %x\n", i, rpack_uint24(rp, NULL));
+	RPACK_REWIND(rp);
+
+	printf("test rpack_uint32::\n");
+	for (i = 0; i < RPACK_LEN(rp); i++)
+		if (i == 4)
+			printf("\t%d) %x\n", i, rpack_uint32(rp, (uint32_t*) &n32));
+		else
+			printf("\t%d) %x\n", i, rpack_uint32(rp, NULL));
+	RPACK_REWIND(rp);
+	for (i = 0; i < RPACK_LEN(rp); i++)
+		printf("\t%d) %x\n", i, rpack_uint32(rp, NULL));
+	RPACK_REWIND(rp);
+
+	printf("test rpack_uint64::\n");
+	for (i = 0; i < RPACK_LEN(rp); i++)
+		if (i == 4)
+			printf("\t%d) %llx\n", i, rpack_uint64(rp, (uint64_t*) &n64));
+		else
+			printf("\t%d) %llx\n", i, rpack_uint64(rp, NULL));
+	RPACK_REWIND(rp);
+	for (i = 0; i < RPACK_LEN(rp); i++)
+		printf("\t%d) %llx\n", i, rpack_uint64(rp, NULL));
+	RPACK_REWIND(rp);
+
+	rpack_destroy(&rp);
+	printf("destroy packet %p\n", rp);
+	return 0;
+}