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#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/sem.h>
#include <stdarg.h>
#include <stdlib.h>
int semctl(int semid, int semnum, int cmd, ...)
{
va_list ap;
union semun semun;
union semun *semun_ptr;
va_start(ap, cmd);
if (cmd == IPC_SET || cmd == IPC_STAT || cmd == GETALL
|| cmd == SETVAL || cmd == SETALL) {
semun = va_arg(ap, union semun);
semun_ptr = &semun;
} else {
semun_ptr = NULL;
}
va_end(ap);
return (__semctl(semid, semnum, cmd, semun_ptr));
}
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