.sp
.B pid_t gettid(void);
.SH DESCRIPTION
-\fBgettid\fP returns the thread ID of the current process. This is equal
+\fBgettid\fP() returns the thread ID of the current process. This is equal
to the process ID (as returned by
.BR getpid (2)),
unless the process is part of a thread group (created by specifying
.SH ERRORS
This call is always successful.
.SH "CONFORMING TO"
-\fBgettid\fP is Linux specific and should not be used in programs that
+\fBgettid\fP() is Linux specific and should not be used in programs that
are intended to be portable.
.SH "SEE ALSO"
.BR clone (2),