main(int argc, char \\argv)
{
typedef struct attrib_struct {
int attrib_count;
Qus_Vlen_Rec_3_t keyinfo;
char key_value;
} attrib_struct;
Qus_EC_t error_code; /\ Error code parameter \/
attrib_struct attrib_info; /\ Attribute to change \/
char user_space[21]; /\ User space and library \/
char descr[5ð]; /\ Text description \/
char initial_value = ðxðð; /\ Initial value for user space\/
char return_lib[1ð]; /\ Return library \/
char ret_file_lib[2ð]; /\ Returned file and library \/
char file_and_lib[21]; /\ File and library \/
char record_fmt[11]; /\ Record format name \/
char \space_ptr; /\ Pointer to user space object\/
/\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\/
/\ Start of executable code. \/
/\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\/
if (argc != 4) {
printf("This program requires 3 parameters:\n");
printf(" 1) User space name and library\n");
printf(" 2) File name and library\n");
printf(" 3) Record format name\n");
printf("Please retry with those parameters.\n");
exit(1);
}
memcpy(user_space, \++argv, 2ð);
memcpy(file_and_lib, \++argv, 2ð);
memcpy(record_fmt, \++argv, 1ð);
memset(desc,' ',5ð);
memcpy(descr,"RTVFD User Space",16);
signal(SIGALL,error_handler); /\ Enable the error handler \/
error_code.Bytes_Provided=ð; /\ Have APIs return exceptions \/
/\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\/
/\ Create the user space. \/
/\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\/
QUSCRTUS(user_space, /\ User space \/
" ", /\ Extended attribute \/
1ð24, /\ Initial size \/
&initial_value, /\ Initial value \/
"\CHANGE ", /\ Public authority \/
descr, /\ Text description \/
"\YES ", /\ Replace if it exists \/
&error_code, /\ Error code \/
"\USER "); /\ Domain = USER \/
if (error_flag) {
exit(1);
}
/\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\/
Appendix A. Performing Tasks Using APIs—Examples A-13