+\r
+/**\r
+ * \fn int file_exists(char *filename)\r
+ * \brief Checks if a file exists\r
+ */
+int file_exists(char *filename)\r
+{\r
+ int fd;\r
+ //fd = open(filename, OPENFLAG_READ);\r
+ fd = open(filename, 0);\r
+ if(fd == -1) return 0;\r
+ close(fd);\r
+ return 1;\r
+}\r