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#include <sys/sem.h> #include <stdarg.h> #include "syscall.h" #include "ipc.h" int semctl(int id, int num, int cmd, ...) { long arg; va_list ap; va_start(ap, cmd); arg = va_arg(ap, long); va_end(ap); #ifdef SYS_semctl return syscall(SYS_semctl, id, num, cmd | IPC_64, arg); #else return syscall(SYS_ipc, IPCOP_semctl, id, num, cmd | IPC_64, &arg); #endif }