PTHREAD_CONDATTR_SETPSHARED (man3p)
pthread_condattr_setpshared — set the process-shared condition variable attribute
pthread_condattr_setpshared — set the process-shared condition variable attribute
casinh, casinhf, casinhl — complex arc hyperbolic sine functions
ctermid — generate a pathname for the controlling terminal
memcmp — compare bytes in memory
fchmod — change mode of a file
atol, atoll — convert a string to a long integer
wcstoll — convert a wide-character string to a long integer
catopen — open a message catalog
isless — test if x is less than y
mbrtowc — convert a character to a wide-character code (restartable)