SEM_CLOSE (man3p)
sem_close — close a named semaphore
sem_close — close a named semaphore
vdprintf, vfprintf, vprintf, vsnprintf, vsprintf — format output of a stdarg argument list
endprotoent, getprotobyname, getprotobynumber, getprotoent, setprotoent — network protocol database functions
dprintf — print formatted output
bsearch — binary search a sorted table
strncmp — compare part of two strings
csinh, csinhf, csinhl — complex hyperbolic sine functions
free — free allocated memory
rint, rintf, rintl — round-to-nearest integral value
getservbyname, getservbyport, getservent — network services database functions