Full Safety Information
Parent topic
:
Full Safety Information
C
Function
Classification
Cancel
ISR
Signal
Thread
c16rtomb()
C11
No
No
Yes
Yes
c32rtomb()
C11
No
No
Yes
Yes
cabs()
ANSI
POSIX 1003.1
No
No
No
Yes
cabsf()
ANSI
POSIX 1003.1
No
No
No
Yes
cabsl()
ANSI
POSIX 1003.1
No
No
No
Yes
cache_fini()
QNX Neutrino
Yes
No
Yes
Yes
CACHE_FLUSH()
QNX Neutrino
No
Yes
Yes
Yes
cache_init()
QNX Neutrino
Yes
No
Yes
Yes
CACHE_INVAL()
QNX Neutrino
No
Yes
Yes
Yes
cacos()
ANSI
POSIX 1003.1
No
No
No
Yes
cacosf()
ANSI
POSIX 1003.1
No
No
No
Yes
cacosl()
ANSI
POSIX 1003.1
No
No
No
Yes
cacosh()
ANSI
POSIX 1003.1
No
No
No
Yes
cacoshf()
ANSI
POSIX 1003.1
No
No
No
Yes
cacoshl()
ANSI
POSIX 1003.1
No
No
No
Yes
call_once()
C11
No
No
Yes
Yes
calloc()
ANSI
POSIX 1003.1
No
No
No
Yes
carg()
ANSI
POSIX 1003.1
No
No
No
Yes
cargf()
ANSI
POSIX 1003.1
No
No
No
Yes
cargl()
ANSI
POSIX 1003.1
No
No
No
Yes
casin()
ANSI
POSIX 1003.1
No
No
No
Yes
casinf()
ANSI
POSIX 1003.1
No
No
No
Yes
casinl()
ANSI
POSIX 1003.1
No
No
No
Yes
casinh()
ANSI
POSIX 1003.1
No
No
No
Yes
casinhf()
ANSI
POSIX 1003.1
No
No
No
Yes
casinhl()
ANSI
POSIX 1003.1
No
No
No
Yes
catan()
ANSI
POSIX 1003.1
No
No
No
Yes
catanf()
ANSI
POSIX 1003.1
No
No
No
Yes
catanl()
ANSI
POSIX 1003.1
No
No
No
Yes
catanh()
ANSI
POSIX 1003.1
No
No
No
Yes
catanhf()
ANSI
POSIX 1003.1
No
No
No
Yes
catanhl()
ANSI
POSIX 1003.1
No
No
No
Yes
cbrt()
ANSI
POSIX 1003.1
No
No
No
Yes
cbrtf()
ANSI
POSIX 1003.1
No
No
No
Yes
cbrtl()
ANSI
POSIX 1003.1
No
No
No
Yes
ccos()
ANSI
POSIX 1003.1
No
No
No
Yes
ccosf()
ANSI
POSIX 1003.1
No
No
No
Yes
ccosl()
ANSI
POSIX 1003.1
No
No
No
Yes
ccosh()
ANSI
POSIX 1003.1
No
No
No
Yes
ccoshf()
ANSI
POSIX 1003.1
No
No
No
Yes
ccoshl()
ANSI
POSIX 1003.1
No
No
No
Yes
ceil()
ANSI
POSIX 1003.1
No
No
No
Yes
ceilf()
ANSI
POSIX 1003.1
No
No
No
Yes
ceill()
ANSI
POSIX 1003.1
No
No
No
Yes
cexp()
ANSI
POSIX 1003.1
No
No
No
Yes
cexpf()
ANSI
POSIX 1003.1
No
No
No
Yes
cexpl()
ANSI
POSIX 1003.1
No
No
No
Yes
cfgetispeed()
POSIX 1003.1
No
No
Yes
Yes
cfgetospeed()
POSIX 1003.1
No
No
Yes
Yes
cfgopen()
QNX Neutrino
Yes
No
Yes
Yes
cfmakeraw()
Unix
No
No
Yes
Yes
cfree()
Unix
No
No
No
Yes
cfsetispeed()
POSIX 1003.1
No
No
Yes
Yes
cfsetospeed()
POSIX 1003.1
No
No
Yes
Yes
ChannelCreate()
QNX Neutrino
No
No
Yes
Yes
ChannelCreate_r()
QNX Neutrino
No
No
Yes
Yes
ChannelDestroy()
QNX Neutrino
No
No
Yes
Yes
ChannelDestroy_r()
QNX Neutrino
No
No
Yes
Yes
chdir()
POSIX 1003.1
No
No
Yes
Yes
chmod()
POSIX 1003.1
No
No
Yes
Yes
chown()
POSIX 1003.1
No
No
Yes
Yes
chroot()
Legacy Unix
No
No
No
Yes
cimag()
ANSI
POSIX 1003.1
No
No
No
Yes
cimagf()
ANSI
POSIX 1003.1
No
No
No
Yes
cimagl()
ANSI
POSIX 1003.1
No
No
No
Yes
clearenv()
QNX Neutrino
No
No
No
Yes
clearerr()
ANSI
POSIX 1003.1
No
No
No
Yes
ClientInfoExtFree()
QNX Neutrino
No
No
Yes
Yes
clock()
ANSI
POSIX 1003.1
No
No
Yes
Yes
clock_getcpuclockid()
POSIX 1003.1 CPT
No
No
Yes
Yes
clock_getres()
POSIX 1003.1
No
No
Yes
Yes
clock_gettime()
POSIX 1003.1
No
No
Yes
Yes
clock_nanosleep()
POSIX 1003.1
Yes
No
Yes
Yes
clock_settime()
POSIX 1003.1
No
No
Yes
Yes
ClockAdjust()
QNX Neutrino
No
No
Yes
Yes
ClockAdjust_r()
QNX Neutrino
No
No
Yes
Yes
ClockCycles()
QNX Neutrino
No
Yes
Yes
Yes
ClockId()
QNX Neutrino
No
No
Yes
Yes
ClockId_r()
QNX Neutrino
No
No
Yes
Yes
ClockPeriod()
QNX Neutrino
No
No
Yes
Yes
ClockPeriod_r()
QNX Neutrino
No
No
Yes
Yes
ClockTime()
QNX Neutrino
No
No
Yes
Yes
ClockTime_r()
QNX Neutrino
No
No
Yes
Yes
clog()
ANSI
POSIX 1003.1
No
No
No
Yes
clogf()
ANSI
POSIX 1003.1
No
No
No
Yes
clogl()
ANSI
POSIX 1003.1
No
No
No
Yes
close()
POSIX 1003.1
Yes
No
Yes
Yes
closedir()
POSIX 1003.1
Yes
No
No
Yes
closelog()
POSIX 1003.1
Yes
No
No
Yes
CMPLX()
C11
No
Yes
Yes
Yes
CMPLXF()
C11
No
Yes
Yes
Yes
CMPLXL()
C11
No
Yes
Yes
Yes
cnd_broadcast()
C11
No
No
Yes
Yes
cnd_destroy()
C11
No
No
Yes
Yes
cnd_init()
C11
No
No
Yes
Yes
cnd_signal()
C11
No
No
Yes
Yes
cnd_timedwait()
C11
Yes
No
Yes
Yes
cnd_wait()
C11
Yes
No
Yes
Yes
confstr()
POSIX 1003.1
No
No
Yes
Yes
conj()
ANSI
POSIX 1003.1
No
No
No
Yes
conjf()
ANSI
POSIX 1003.1
No
No
No
Yes
conjl()
ANSI
POSIX 1003.1
No
No
No
Yes
connect()
POSIX 1003.1
Yes
No
No
Yes
ConnectAttach()
QNX Neutrino
No
No
Yes
Yes
ConnectAttach_r()
QNX Neutrino
No
No
Yes
Yes
ConnectClientInfo()
QNX Neutrino
No
No
Yes
Yes
ConnectClientInfo_r()
QNX Neutrino
No
No
Yes
Yes
ConnectClientInfoAble()
QNX Neutrino
No
No
Yes
Yes
ConnectClientInfoExt()
QNX Neutrino
No
No
Yes
Yes
ConnectDetach()
QNX Neutrino
No
No
Yes
Yes
ConnectDetach_r()
QNX Neutrino
No
No
Yes
Yes
ConnectFlags()
QNX Neutrino
No
No
Yes
Yes
ConnectFlags_r()
QNX Neutrino
No
No
Yes
Yes
ConnectServerInfo()
QNX Neutrino
No
No
Yes
Yes
ConnectServerInfo_r()
QNX Neutrino
No
No
Yes
Yes
copysign()
ANSI
POSIX 1003.1
No
No
No
Yes
copysignf()
ANSI
POSIX 1003.1
No
No
No
Yes
copysignl()
ANSI
POSIX 1003.1
No
No
No
Yes
cos()
ANSI
POSIX 1003.1
No
No
No
Yes
cosf()
ANSI
POSIX 1003.1
No
No
No
Yes
cosl()
ANSI
POSIX 1003.1
No
No
No
Yes
cosh()
ANSI
POSIX 1003.1
No
No
No
Yes
coshf()
ANSI
POSIX 1003.1
No
No
No
Yes
coshl()
ANSI
POSIX 1003.1
No
No
No
Yes
cpow()
ANSI
POSIX 1003.1
No
No
No
Yes
cpowf()
ANSI
POSIX 1003.1
No
No
No
Yes
cpowl()
ANSI
POSIX 1003.1
No
No
No
Yes
cproj()
ANSI
POSIX 1003.1
No
No
No
Yes
cprojf()
ANSI
POSIX 1003.1
No
No
No
Yes
cprojl()
ANSI
POSIX 1003.1
No
No
No
Yes
creal()
ANSI
POSIX 1003.1
No
No
No
Yes
crealf()
ANSI
POSIX 1003.1
No
No
No
Yes
creall()
ANSI
POSIX 1003.1
No
No
No
Yes
creat()
POSIX 1003.1
Yes
No
Yes
Yes
creat64()
Large-file support
Yes
No
Yes
Yes
crypt()
POSIX 1003.1 XSI
No
No
No
No
csin()
ANSI
POSIX 1003.1
No
No
No
Yes
csinf()
ANSI
POSIX 1003.1
No
No
No
Yes
csinl()
ANSI
POSIX 1003.1
No
No
No
Yes
csinh()
ANSI
POSIX 1003.1
No
No
No
Yes
csinhf()
ANSI
POSIX 1003.1
No
No
No
Yes
csinhl()
ANSI
POSIX 1003.1
No
No
No
Yes
csqrt()
ANSI
POSIX 1003.1
No
No
No
Yes
csqrtf()
ANSI
POSIX 1003.1
No
No
No
Yes
csqrtl()
ANSI
POSIX 1003.1
No
No
No
Yes
ctan()
ANSI
POSIX 1003.1
No
No
No
Yes
ctanf()
ANSI
POSIX 1003.1
No
No
No
Yes
ctanl()
ANSI
POSIX 1003.1
No
No
No
Yes
ctanh()
ANSI
POSIX 1003.1
No
No
No
Yes
ctanhf()
ANSI
POSIX 1003.1
No
No
No
Yes
ctanhl()
ANSI
POSIX 1003.1
No
No
No
Yes
ctermid()
POSIX 1003.1
No
No
No
Read the Caveats
ctime()
POSIX 1003.1 OB
No
No
Yes
No
ctime_r()
No
No
Yes
Yes