DCMD_CHR_TCGETPGRP

Get the process group ID associated with a device

Synopsis:

#include <sys/dcmd_chr.h>

#define DCMD_CHR_TCGETPGRP   __DIOF(_CMD_IOCTL_TTY, 119, pid_t) /* TIOCGPGRP */

Argument	Value
`filedes`	A file descriptor that you obtained by opening the device.
`dcmd`	DCMD_CHR_TCGETPGRP
`dev_data_ptr`	A pointer to a pid_t
`n_bytes`	`sizeof(pid_t)`
`dev_info_ptr`	NULL

This command gets the process group ID associated with a device. It's also implemented as the TIOCGPGRP ioctl() command.

Note: This command is for internal use, and you shouldn't use it directly. Instead use the tcgetpgrp() cover function.

None.

The process group ID.