Non-POSIX functions with POSIX-sounding names

The following functions have POSIX-sounding names, but aren't part of a POSIX standard. Some have a suffix of "_np", which stands for "non-POSIX."

• execlpe()
• execvpe()
• fcloseall()
• fgetchar()
• flock()
• fputchar()
• gamma()
• gammaf()
• gammaf_r()
• gamma_r()
• isfdtype()
• ltrunc()
• mallopt()
• mem_offset()
• memalign()
• memcpyv()
• memicmp()
• mmap_device_io()
• mmap_device_memory()
• mq_timedreceive_monotonic()
• mq_timedsend_monotonic()
• munmap_device_io()
• munmap_device_memory()
• munmap_flags()
• openfd()
• posix_spawn_file_actions_init()
• posix_spawnattr_addpartid()
• posix_spawnattr_addpartition()
• posix_spawnattr_getnode()
• posix_spawnattr_getpartid()
• posix_spawnattr_getrunmask()
• posix_spawnattr_getsigignore()
• posix_spawnattr_getstackmax()
• posix_spawnattr_getxflags()
• posix_spawnattr_setnode()
• posix_spawnattr_setrunmask()
• posix_spawnattr_setstackmax()
• posix_spawnattr_setxflags()
• pthread_abort()
• pthread_attr_getstacklazy()
• pthread_attr_getstackprealloc()
• pthread_attr_setstacklazy()
• pthread_attr_setstackprealloc()
• pthread_getname_np()
• pthread_mutex_timedlock_monotonic()
• pthread_mutex_wakeup_np()
• pthread_mutexattr_getrecursive()
• pthread_mutexattr_getwakeup_np()
• pthread_mutexattr_setrecursive()
• pthread_mutexattr_setwakeup_np()
• pthread_setname_np()
• pthread_sleepon_broadcast()
• pthread_sleepon_lock()
• pthread_sleepon_signal()
• pthread_sleepon_timedwait()
• pthread_sleepon_unlock()
• pthread_sleepon_wait()
• pthread_timedjoin()
• pthread_timedjoin_monotonic()
• sched_get_priority_adjust()
• sem_timedwait_monotonic()
• shm_ctl()
• shm_ctl_special()
• sigblock()
• sigmask()
• sigsetmask()
• sigunblock()
• spawn()
• spawnl()
• spawnle()
• spawnlp()
• spawnlpe()
• spawnp()
• spawnv()
• spawnve()
• spawnvp()
• spawnvpe()
• straddstr()
• strcmpi()
• stricmp()
• strlcat()
• strlcpy()
• strlwr()
• strnicmp()
• strnset()
• strrev()
• strsep()
• strset()
• strsignal()
• strupr()
• tcdropline()
• tcgetsize()
• tcinject()
• tcischars()
• tcsetsid()
• tcsetsize()
• tell()
• timer_getexpstatus()
• timer_timeout()
• timer_timeout_r()
• wait3()
• wait4()
• writeblock()

For more information about classification, see the Full Safety Information appendix in the HTML version of the QNX Neutrino C Library Reference, as well as the entries for individual functions.