void yield(void)
.XX
int threadid(void)
-int threadgrp(void)
+int threadgetgrp(void)
int threadsetgrp(int group)
int threadpid(int id)
.XX
-int threadint(int id)
+void threadint(int id)
void threadintgrp(int group)
void threadkill(int id)
-int threadkillgrp(int group)
+void threadkillgrp(int group)
.XX
void threadsetname(char *name, ...)
char* threadgetname(void)
The initial thread has a group id of zero.
Each new thread inherits the group id of
the thread that created it.
-.I Threadgrp
+.I Threadgetgrp
returns the group id for the current thread;
.I threadsetgrp
sets it.