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-rw-r--r--fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/assert.h20
-rw-r--r--fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/ctype.h28
-rw-r--r--fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/errno.h20
-rw-r--r--fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/fcntl.h20
-rw-r--r--fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/inttypes.h21
-rw-r--r--fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/limits.h34
-rw-r--r--fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/pthread.h91
-rw-r--r--fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/semaphore.h44
-rw-r--r--fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/stdarg.h27
-rw-r--r--fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/stdbool.h19
-rw-r--r--fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/stdint.h91
-rw-r--r--fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/stdio.h30
-rw-r--r--fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/stdlib.h28
-rw-r--r--fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/string.h36
-rw-r--r--fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/strings.h20
-rw-r--r--fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/share/defined-symbols.txt87
16 files changed, 616 insertions, 0 deletions
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/assert.h b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/assert.h
new file mode 100644
index 000000000..534a90de2
--- /dev/null
+++ b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/assert.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) 2019 Intel Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#ifndef _WAMR_LIBC_ASSERT_H
+#define _WAMR_LIBC_ASSERT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif \ No newline at end of file
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/ctype.h b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/ctype.h
new file mode 100644
index 000000000..1a3cd4e54
--- /dev/null
+++ b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/ctype.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2019 Intel Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#ifndef _WAMR_LIBC_CTYPE_H
+#define _WAMR_LIBC_CTYPE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int isupper(int c);
+int isalpha(int c);
+int isspace(int c);
+int isgraph(int c);
+int isprint(int c);
+int isdigit(int c);
+int isxdigit(int c);
+int tolower(int c);
+int toupper(int c);
+int isalnum(int c);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif \ No newline at end of file
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/errno.h b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/errno.h
new file mode 100644
index 000000000..9e9cca19e
--- /dev/null
+++ b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/errno.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) 2019 Intel Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#ifndef _WAMR_LIBC_ERRNO_H
+#define _WAMR_LIBC_ERRNO_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif \ No newline at end of file
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/fcntl.h b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/fcntl.h
new file mode 100644
index 000000000..a67c24a24
--- /dev/null
+++ b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/fcntl.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) 2019 Intel Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#ifndef _WAMR_LIBC_FCNTL_H
+#define _WAMR_LIBC_FCNTL_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif \ No newline at end of file
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/inttypes.h b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/inttypes.h
new file mode 100644
index 000000000..a04ec7be5
--- /dev/null
+++ b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/inttypes.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2019 Intel Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#ifndef _WAMR_LIBC_INTTYPES_H
+#define _WAMR_LIBC_INTTYPES_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif \ No newline at end of file
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/limits.h b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/limits.h
new file mode 100644
index 000000000..d46fb4fcb
--- /dev/null
+++ b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/limits.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2019 Intel Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#ifndef _WAMR_LIBC_LIMITS_H
+#define _WAMR_LIBC_LIMITS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define CHAR_BIT 8
+#define SCHAR_MIN -128
+#define SCHAR_MAX 127
+#define UCHAR_MAX 255
+#define CHAR_MIN 0
+#define CHAR_MAX 127
+#define MB_LEN_MAX 1
+#define SHRT_MIN -32768
+#define SHRT_MAX +32767
+#define USHRT_MAX 65535
+#define INT_MIN -32768
+#define INT_MAX +32767
+#define UINT_MAX 65535
+#define LONG_MIN -2147483648
+#define LONG_MAX +2147483647
+#define ULONG_MAX 4294967295
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif \ No newline at end of file
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/pthread.h b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/pthread.h
new file mode 100644
index 000000000..10b3978e9
--- /dev/null
+++ b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/pthread.h
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2019 Intel Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#ifndef _WAMR_LIB_PTHREAD_H
+#define _WAMR_LIB_PTHREAD_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+/* Data type define of pthread, mutex, cond and key */
+typedef unsigned int pthread_t;
+typedef unsigned int pthread_mutex_t;
+typedef unsigned int pthread_cond_t;
+typedef unsigned int pthread_key_t;
+
+/* Thread APIs */
+int
+pthread_create(pthread_t *thread, const void *attr,
+ void *(*start_routine)(void *), void *arg);
+
+int
+pthread_join(pthread_t thread, void **retval);
+
+int
+pthread_detach(pthread_t thread);
+
+int
+pthread_cancel(pthread_t thread);
+
+pthread_t
+pthread_self(void);
+
+void
+pthread_exit(void *retval);
+
+/* Mutex APIs */
+int
+pthread_mutex_init(pthread_mutex_t *mutex, const void *attr);
+
+int
+pthread_mutex_lock(pthread_mutex_t *mutex);
+
+int
+pthread_mutex_unlock(pthread_mutex_t *mutex);
+
+int
+pthread_mutex_destroy(pthread_mutex_t *mutex);
+
+/* Cond APIs */
+int
+pthread_cond_init(pthread_cond_t *cond, const void *attr);
+
+int
+pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex);
+
+int
+pthread_cond_timedwait(pthread_cond_t *cond, pthread_mutex_t *mutex,
+ uint64_t useconds);
+
+int
+pthread_cond_signal(pthread_cond_t *cond);
+
+int
+pthread_cond_broadcast(pthread_cond_t *cond);
+
+int
+pthread_cond_destroy(pthread_cond_t *cond);
+
+/* Pthread key APIs */
+int
+pthread_key_create(pthread_key_t *key, void (*destructor)(void *));
+
+int
+pthread_setspecific(pthread_key_t key, const void *value);
+
+void *
+pthread_getspecific(pthread_key_t key);
+
+int
+pthread_key_delete(pthread_key_t key);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* end of _WAMR_LIB_PTHREAD_H */
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/semaphore.h b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/semaphore.h
new file mode 100644
index 000000000..2e086bdc2
--- /dev/null
+++ b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/semaphore.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2019 Intel Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#ifndef _WAMR_LIB_SEMAPHORE_H
+#define _WAMR_LIB_SEMAPHORE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+typedef unsigned int sem_t;
+
+/* Semaphore APIs */
+
+sem_t *
+sem_open(const char *name, int oflag, int mode, int val);
+
+int
+sem_wait(sem_t *sem);
+
+int
+sem_trywait(sem_t *sem);
+
+int
+sem_post(sem_t *sem);
+
+int
+sem_getvalue(sem_t *restrict sem, int *sval);
+
+int
+sem_unlink(const char *name);
+
+int
+sem_close(sem_t *sem);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* end of _WAMR_LIB_SEMAPHORE_H */
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/stdarg.h b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/stdarg.h
new file mode 100644
index 000000000..509595734
--- /dev/null
+++ b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/stdarg.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2019 Intel Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#ifndef _WAMR_LIBC_STDARG_H
+#define _WAMR_LIBC_STDARG_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef _VA_LIST
+typedef __builtin_va_list va_list;
+#define _VA_LIST
+#endif
+#define va_start(ap, param) __builtin_va_start(ap, param)
+#define va_end(ap) __builtin_va_end(ap)
+#define va_arg(ap, type) __builtin_va_arg(ap, type)
+
+#define __va_copy(d, s) __builtin_va_copy(d, s)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* end of _WAMR_LIBC_STDARG_H */
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/stdbool.h b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/stdbool.h
new file mode 100644
index 000000000..29e03f9de
--- /dev/null
+++ b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/stdbool.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) 2019 Intel Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#ifndef _WAMR_LIBC_STDBOOL_H
+#define _WAMR_LIBC_STDBOOL_H
+
+#define __bool_true_false_are_defined 1
+
+#ifndef __cplusplus
+
+#define bool _Bool
+#define false 0
+#define true 1
+
+#endif /* __cplusplus */
+
+#endif \ No newline at end of file
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/stdint.h b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/stdint.h
new file mode 100644
index 000000000..802e9ac5b
--- /dev/null
+++ b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/stdint.h
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2019 Intel Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#ifndef _WAMR_LIBC_STDINT_H
+#define _WAMR_LIBC_STDINT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* clang-format off */
+/* The word size of platform */
+#ifdef __wasm64__
+#define __WORDSIZE 64
+#else
+#define __WORDSIZE 32
+#endif
+
+typedef char int8_t;
+typedef short int int16_t;
+typedef int int32_t;
+typedef long long int int64_t;
+
+/* Unsigned. */
+typedef unsigned char uint8_t;
+typedef unsigned short int uint16_t;
+typedef unsigned int uint32_t;
+typedef unsigned long long int uint64_t;
+
+typedef __INTPTR_TYPE__ intptr_t;
+typedef __UINTPTR_TYPE__ uintptr_t;
+
+/* Signed and unsigned */
+#if __WORDSIZE == 64
+#define INT64_C(c) c ## L
+#define UINT64_C(c) c ## UL
+#define INTMAX_C(c) c ## L
+#define UINTMAX_C(c) c ## UL
+#else
+#define INT64_C(c) c ## LL
+#define UINT64_C(c) c ## ULL
+#define INTMAX_C(c) c ## LL
+#define UINTMAX_C(c) c ## ULL
+#endif
+
+
+/* Minimum of signed integral types. */
+# define INT8_MIN (-128)
+# define INT16_MIN (-32767-1)
+# define INT32_MIN (-2147483647-1)
+# define INT64_MIN (-INT64_C(9223372036854775807)-1)
+
+/* Maximum of signed integral types. */
+# define INT8_MAX (127)
+# define INT16_MAX (32767)
+# define INT32_MAX (2147483647)
+# define INT64_MAX (INT64_C(9223372036854775807))
+
+/* Maximum of unsigned integral types. */
+# define UINT8_MAX (255)
+# define UINT16_MAX (65535)
+# define UINT32_MAX (4294967295U)
+# define UINT64_MAX (UINT64_C(18446744073709551615))
+
+/* Values to test for integral types holding `void *' pointer. */
+#if __WORDSIZE == 64
+#define INTPTR_MIN INT64_MIN
+#define INTPTR_MAX INT64_MAX
+#define UINTPTR_MAX UINT64_MAX
+#else
+#define INTPTR_MIN INT32_MIN
+#define INTPTR_MAX INT32_MAX
+#define UINTPTR_MAX UINT32_MAX
+#endif
+
+/* Limit of `size_t' type. */
+#if __WORDSIZE == 64
+#define SIZE_MAX UINT64_MAX
+#else
+#define SIZE_MAX UINT32_MAX
+#endif
+
+/* clang-format on */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif \ No newline at end of file
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/stdio.h b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/stdio.h
new file mode 100644
index 000000000..1d51e6dd3
--- /dev/null
+++ b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/stdio.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2019 Intel Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#ifndef _WAMR_LIBC_STDIO_H
+#define _WAMR_LIBC_STDIO_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef NULL
+# define NULL ((void*) 0)
+#endif
+
+typedef unsigned long size_t;
+
+int printf(const char *format, ...);
+int putchar(int c);
+int snprintf(char *str, size_t size, const char *format, ...);
+int sprintf(char *str, const char *format, ...);
+int puts(char *string);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif \ No newline at end of file
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/stdlib.h b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/stdlib.h
new file mode 100644
index 000000000..7eb2cc4bc
--- /dev/null
+++ b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/stdlib.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2019 Intel Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#ifndef _WAMR_LIBC_STDLIB_H
+#define _WAMR_LIBC_STDLIB_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef unsigned long size_t;
+
+int atoi(const char *s);
+void exit(int status);
+long strtol(const char *nptr, char **endptr, register int base);
+unsigned long strtoul(const char *nptr, char **endptr, register int base);
+void *malloc(size_t size);
+void *calloc(size_t n, size_t size);
+void free(void *ptr);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif \ No newline at end of file
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/string.h b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/string.h
new file mode 100644
index 000000000..e71a168be
--- /dev/null
+++ b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/string.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2019 Intel Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#ifndef _WAMR_LIBC_STRING_H
+#define _WAMR_LIBC_STRING_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef unsigned long size_t;
+
+int memcmp(const void *s1, const void *s2, size_t n);
+void *memcpy(void *dest, const void *src, size_t n);
+void *memmove(void *dest, const void *src, size_t n);
+void *memset(void *s, int c, size_t n);
+void *memchr(const void *s, int c, size_t n);
+int strncasecmp(const char *s1, const char *s2, size_t n);
+size_t strspn(const char *s, const char *accept);
+size_t strcspn(const char *s, const char *reject);
+char *strstr(const char *s, const char *find);
+char *strchr(const char *s, int c);
+int strcmp(const char *s1, const char *s2);
+char *strcpy(char *dest, const char *src);
+size_t strlen(const char *s);
+int strncmp(const char * str1, const char * str2, size_t n);
+char *strncpy(char *dest, const char *src, unsigned long n);
+char * strdup(const char *s);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif \ No newline at end of file
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/strings.h b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/strings.h
new file mode 100644
index 000000000..7f1bec6f9
--- /dev/null
+++ b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/include/strings.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) 2019 Intel Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#ifndef _WAMR_LIBC_STRINGS_H
+#define _WAMR_LIBC_STRINGS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif \ No newline at end of file
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/share/defined-symbols.txt b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/share/defined-symbols.txt
new file mode 100644
index 000000000..fc9c400a6
--- /dev/null
+++ b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/wamr-sdk/app/libc-builtin-sysroot/share/defined-symbols.txt
@@ -0,0 +1,87 @@
+wasm_open_connection
+wasm_close_connection
+wasm_send_on_connection
+wasm_config_connection
+wasm_sensor_open
+wasm_sensor_config
+wasm_sensor_config_with_attr_container
+wasm_sensor_close
+wasm_btn_native_call
+wasm_obj_native_call
+wasm_label_native_call
+wasm_cont_native_call
+wasm_page_native_call
+wasm_list_native_call
+wasm_ddlist_native_call
+wasm_cb_native_call
+wasm_register_resource
+wasm_response_send
+wasm_post_request
+wasm_sub_event
+wasm_create_timer
+wasm_timer_destroy
+wasm_timer_cancel
+wasm_timer_restart
+wasm_get_sys_tick_ms
+printf
+sprintf
+snprintf
+vprintf
+vsprintf
+vsnprintf
+puts
+putchar
+memcmp
+memcpy
+memmove
+memset
+strchr
+strcmp
+strcpy
+strlen
+strncmp
+strncpy
+malloc
+calloc
+realloc
+strdup
+free
+atoi
+bsearch
+exit
+strtol
+strtoul
+memchr
+strncasecmp
+strspn
+strcspn
+strstr
+isupper
+isalpha
+isspace
+isgraph
+isprint
+isdigit
+isxdigit
+tolower
+toupper
+isalnum
+pthread_create
+pthread_join
+pthread_detach
+pthread_cancel
+pthread_self
+pthread_exit
+pthread_mutex_init
+pthread_mutex_lock
+pthread_mutex_unlock
+pthread_mutex_destroy
+pthread_cond_init
+pthread_cond_wait
+pthread_cond_timedwait
+pthread_cond_signal
+pthread_cond_destroy
+pthread_key_create
+pthread_setspecific
+pthread_getspecific
+pthread_key_delete