UNIX SyscallsLinuxLinux syscalls are defined in include/linux/syscalls.h. Syscalls use the same parameter order across platforms, but some (e.g. sys_stat64) are only defined on some platforms, and others (e.g. sys_clone) have different parameters depending on kernel compilation options. Syscall numbers are platform-dependent. Manpage syscalls(2) lists syscalls and which kernel version they were added in. Manpa
