Function
Vipscall_required_optional
Declaration [src]
int
vips_call_required_optional (
VipsOperation** operation,
va_list required,
va_list optional
)
Description [src]
This is the main entry point for the C and C++ varargs APIs. operation
is executed, supplying required and optional arguments.
Beware, this can change operation to point at an old, cached one.
| This function is not directly available to language bindings |
Parameters
operation |
VipsOperation |
The operation to execute. |
|
| The data is owned by the caller of the function. | |
required |
va_list |
%va_list of required arguments. |
|
optional |
va_list |
NULL-terminated %va_list of name / value pairs. |