Accessing Arguments

To work around this , you have to use a set of API functions to force a type conversion on every argument that' s being passed (see Tabell 32-1 ) .

Tabell 32-1 .

Not : Figur 32-2 shows the output .

Figur 32-2 .




After retrieving the parameter pointer, the parameter value is converted to a long (an integer), which also forms the return value of this function. Understanding access to the contents of the value requires a short discussion of the zval type, whose definition is shown in Exempel 32-2 .

Exempel 32-2 .




For a description of both structures , see Tabell 32-2 , Tabell 32-3 and Tabell 32-4 .

Tabell 32-2 .

See Tabell 32-3 for a description .
For a list of available types , see Tabell 32-4 .

Tabell 32-3 .

Tabell 32-4 .