STPNCPY (man3p)
stpncpy — copy fixed length string, returning a pointer to the array end
stpncpy — copy fixed length string, returning a pointer to the array end
endpwent, getpwent, setpwent — user database functions
llround, llroundf, llroundl — round to nearest integer value
clock_settime — clock and timer functions
strrchr — string scanning operation
strtoll — convert a string to a long integer
srand48 — seed the uniformly distributed double-precision pseudo-random number generator
timer_delete — delete a per-process timer
chdir — change working directory
atanf — arc tangent function