--- /dev/null
+#ifndef __Stream_H__
+#define __STREAM_H__
+
+#include <TTime.h>
+#include <TErrno.h>
+#include <ctype.h>
+#include <windows.h>
+
+
+/*
+ * Declaration of the s_Stream structure,
+ * which represents a file stream.
+ */
+
+typedef struct s_Stream
+{
+ FILE* file; /* the file stream. */
+ char* line; /* the current text line */
+ size_t line_number; /* line number in the testsuite file */
+ CRITICAL_SECTION cs; /* std output managment */
+}s_Stream_t,* Stream_t;
+
+/* Line type. */
+typedef enum
+{
+ comment_line_type, /* the text line is a comment */
+ invalid_token_line_type, /* the text line contains a invalid token */
+ unknwn_meta_command_line_type, /* the text line contains a unknown macro command */
+ invalid_timeout_value_line_type, /* the text line contains a invalid timeout value */
+ timeout_value_line_type, /* the text line contains a valid timeout value */
+ invalid_exit_code_line_type, /* the text line contains a invalid exit code value */
+ exit_code_line_type, /* the text line contains a valid exit code value */
+ invalid_export_line_type, /* the text line contains a invalid export meta command */
+ export_line_type, /* the text line contains a valid export meta command */
+ invalid_unset_line_type, /* the text line contains a invalid unset meta command */
+ unset_line_type, /* the text line contains a valid unset meta command */
+ enable_output_checking_line_type, /* the text line contains a enable output checking meta command */
+ disable_output_checking_line_type, /* the text line contains a disable output checking meta command */
+ enable_post_output_checking_line_type, /* the text line contains a enable post output checking meta command */
+ disable_post_output_checking_line_type, /* the text line contains a disable post output checking meta command */
+ export_failed_line_type, /* the text line contains a export meta command which failed */
+ unset_failed_line_type, /* the text line contains a unset meta command which failed */
+ create_console_line_type, /* the text line contains a create console meta command */
+ create_no_console_line_type, /* the text line contains a create no console meta command */
+ enable_exit_code_checking_line_type, /* the text line contains a enable exit code checking */
+ disable_exit_code_checking_line_type, /* the text line contains a disable exit code checking */
+ change_directory_line_type, /* the text line contains a change directory command */
+ command_line_line_type /* the text line contains a command line */
+ }line_type_t;
+
+/*
+ * Buffer size used in the getline function.
+ */
+#define DEFAULT_ALLOC_SIZE ((size_t)64)
+
+/*
+ * s_Stream struct connected functions.
+ */
+
+/*
+ * Create a new s_Stream struct and return
+ * a pointer to self
+ */
+
+Stream_t Stream_new(void);
+
+/*
+ * Returns true if the current text line is blank.
+ */
+bool Stream_lineIsBlank(Stream_t stream);
+
+/*
+ * Return true if the caracter is space or tab.
+ */
+bool Stream_isBlankChar(char ch);
+
+
+/*
+ * Return E_SUCCESS if the file is valid.
+ * Otherwise the fuction returns E_INVALID_FILE.
+ */
+errno_t Stream_isValidFile(const char* file_name);
+
+
+/*
+ * Return E_SUCCESS is the open file operation succeeded.
+ * Otherwise the functions returns E_OPEN_FILE_FAILED.
+ */
+errno_t Stream_openFile(Stream_t ptr,const char* file_name);
+
+/*
+ * This function reads an entire line, storing
+ * the address of the buffer containing the text into
+ * *dest.
+ */
+ssize_t Stream_getLine(Stream_t ptr);
+
+/*
+ * Return true if the current line is a comment.
+ * Otherwise the functions returns false.
+ */
+bool Stream_lineIsComment(Stream_t stream);
+
+/* Return true if the current line contains a invalide token.
+ * Otherwise, the function returns false.
+ */
+bool Stream_lineContainsInvalidToken(Stream_t stream);
+
+/*
+ * Return true if the text line is a meta command.
+ * Otherwise, the functions returns false.
+ */
+bool Stream_lineIsMetaCommand(Stream_t stream);
+
+/* Retun true if the text line contains a unknown meta command.
+ * Otherwise the function returns false.
+ */
+bool Stream_lineIsUnknwnMetaCommand(Stream_t stream);
+
+/*
+ * Returns true if the timeout value is invalid.
+ * Otherwise the function returns false.
+ */
+bool Stream_isInvalidTimeout(Stream_t stream);
+
+/*
+ * Returns true if the expected code value is invalid.
+ * Otherwise the function returns false.
+ */
+bool Stream_isInvalidExpectedCode(Stream_t stream);
+
+/*
+ * Returns true if the export is invalid.
+ * Otherwise the function returns false.
+ */
+bool Stream_isInvalidExport(Stream_t stream);
+
+/*
+ * Returns true if the unset is invalid.
+ * Otherwise the function returns false.
+ */
+bool Stream_isInvalidUnset(Stream_t stream);
+
+/*
+ * Return true if the stream line contains a
+ * expected child output. Otherwhise the function
+ * returns false.
+ */
+bool Stream_lineIsExpectedChildOutput(Stream_t stream);
+
+/*
+ * Return true if the stream line contains a
+ * child input. Otherwhise the function
+ * returns false.
+ */
+bool Stream_lineIsChildInput(Stream_t stream);
+
+/*
+ * Return true, if the stream line containts a
+ * synchrone test case. otherwise the function
+ * returns false.
+ */
+bool Stream_lineIsSyncTestCase(Stream_t stream);
+
+bool Stream_lineIsAsyncTestCase(Stream_t stream);
+
+/*
+ * Return true if the text line contains a invalid
+ * meta command. Otherwise the function returns false.
+ */
+bool Stream_lineIsInvalidMetaCommand(Stream_t stream);
+
+/*
+ * Print the file line.
+ */
+void Stream_printLine(Stream_t stream,line_type_t line_type);
+
+void Stream_lock(Stream_t ptr);
+void Stream_unlock(Stream_t ptr);
+
+bool Stream_lineIsChangeDir(Stream_t stream);
+
+extern CRITICAL_SECTION cs;
+
+/*
+ * Free a s_Stream.
+ */
+
+ void Stream_free(Stream_t ptr);
+
+
+#endif /* #ifndef __STREAM_H__ */
\ No newline at end of file
