-SYSCALL2(open, SYS_OPEN) // char*, int
-SYSCALL3(reopen, SYS_REOPEN) // int, char*, int
-SYSCALL1(close, SYS_CLOSE) // int
-SYSCALL3(read, SYS_READ) // int, uint, void*
-SYSCALL3(write, SYS_WRITE) // int, uint, void*
-SYSCALL4(seek, SYS_SEEK) // int, uint64_t, int
-SYSCALL1(tell, SYS_TELL) // int
-SYSCALL3(finfo, SYS_FINFO) // int, void*, int
-SYSCALL2(readdir, SYS_READDIR) // int, char*
+SYSCALL2(_SysOpen, SYS_OPEN) // char*, int
+SYSCALL3(_SysOpenChild, SYS_OPENCHILD) // int, char*, int
+SYSCALL3(_SysReopen, SYS_REOPEN) // int, char*, int
+SYSCALL2(_SysCopyFD, SYS_COPYFD) // int, int
+SYSCALL3(_SysFDFlags, SYS_FDCTL) // int, int, int
+SYSCALL1(_SysClose, SYS_CLOSE) // int
+SYSCALL3(_SysRead, SYS_READ) // int, uint, void*
+SYSCALL3(_SysWrite, SYS_WRITE) // int, uint, void*
+SYSCALL4(_SysSeek, SYS_SEEK) // int, uint64_t, int
+SYSCALL1(_SysTell, SYS_TELL) // int
+SYSCALL3(_SysFInfo, SYS_FINFO) // int, void*, int
+SYSCALL2(_SysReadDir, SYS_READDIR) // int, char*