typedef struct t_vpi_systf_data
{
int type;
int sysfunctype;
SizedSigned]Func
char *tfname;
int (*calltf)();
int (*compiletf)();
int (*sizetf)();
char *user_data; -----------------------------------就这个可选的数据,verilog如何访问?
} s_vpi_systf_data, *p_vpi_systf_data;