tcgetpgrp man page on MirBSD

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TCGETPGRP(3)		   BSD Programmer's Manual		  TCGETPGRP(3)

NAME
     tcgetpgrp - get foreground process group ID

SYNOPSIS
     #include <sys/types.h>
     #include <unistd.h>

     pid_t
     tcgetpgrp(int fd);

DESCRIPTION
     The tcgetpgrp() function returns the value of the process group ID of the
     foreground process group associated with the terminal device. If there is
     no foreground process group, tcgetpgrp() returns an invalid process ID.

ERRORS
     If an error occurs, tcgetpgrp() returns -1 and the global variable errno
     is set to indicate the error, as follows:

     [EBADF]	   The fd argument is not a valid file descriptor.

     [ENOTTY]	   The calling process does not have a controlling terminal or
		   the underlying terminal device represented by fd is not the
		   controlling terminal.

SEE ALSO
     setpgid(2), setsid(2), tcsetpgrp(3)

STANDARDS
     The tcgetpgrp() function is expected to be compliant with the IEEE Std
     1003.1-1988 ("POSIX") specification.

MirOS BSD #10-current		March 29, 1992				     1
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