GLibvprintf

gint
g_vprintf (
  const gchar* format,
  va_list args
)

An implementation of the standard vprintf() function which supports positional parameters, as specified in the Single Unix Specification.

glib/gprintf.h must be explicitly included in order to use this function.

Available since:	2.2
This function is not directly available to language bindings

`format`	`const gchar*`
	A standard `printf()` format string, but notice [string precision pitfalls][string-precision]
	The data is owned by the caller of the function.
	The value is a NUL terminated UTF-8 string.
`args`	`va_list`
	The list of arguments to insert in the output.

Returns:	`gint`
	The number of bytes printed.