@accepts(utf8, utf8, gint, gboolean, utf8)
def debug_real(func, file, line, newline, message)

If the debug output settings match the function or file names, the debug message will be formatted and written to standard error.

func :

function name

file :

file name

line :

line number

newline :

if TRUE, add a newline to the output

message :

the debug message