System Calls With a Non-Stub Emulation Function
nosys, read, write, open, close, waitpid, execve, oldstat, ptrace, oldfstat, kill, pipe, brk, signal, fcntl, olduname, sigaction, sgetmask, ssetmask, sigsuspend, sigpending, setrlimit, getrlimit, getgroups, setgroups, old_select, oldlstat, uselib, readdir, mmap, munmap, getpriority, setpriority, socketcall, syslog, stat, lstat, fstat, uname, iopl, wait4, sysinfo, ipc, sigreturn, newuname, mprotect, sigprocmask, personality, _llseek, select
ioctl, ioperm, fdatasync (partial implementations)