void function_name ( FNC_Phase aggregation_phase, FNC_Context_t *function_context, [ input_parameter_specification [...] ] result_type *result, [ indicator_parameter_specification [...] ] int indicator_result, char sqlstate[6] SQLTEXT function_name [m] SQLTEXT specific_function_name [l] SQLTEXT error_message [p] ) { ... }
- input_parameter_specification
type *input_parameter,
- indicator_parameter_specification
int *indicator_parameter,