int silc_file_writefile(const char *filename, const char *buffer, uint32 len);
int silc_file_writefile_mode(const char *filename, const char *buffer,
uint32 len, int mode);
+uint64 silc_file_size(const char *filename);
int silc_gets(char *dest, int destlen, const char *src, int srclen, int begin);
int silc_check_line(char *buf);
char *silc_get_time();