T Function Classification Library Cancel ISR Signal Thread tan() C11, POSIX 1003.1 libm, libm-sve No Yes Yes Yes tanf() C11, POSIX 1003.1 libm, libm-sve No Yes Yes Yes tanl() C11, POSIX 1003.1 libm, libm-sve No Yes Yes Yes tanh() C11, POSIX 1003.1 libm, libm-sve No Yes Yes Yes tanhf() C11, POSIX 1003.1 libm, libm-sve No Yes Yes Yes tanhl() C11, POSIX 1003.1 libm, libm-sve No Yes Yes Yes tcdrain() POSIX 1003.1 libc No No Yes Yes tcdropline() QNX Neutrino libc No No Yes Yes tcflow() POSIX 1003.1 libc No No Yes Yes tcflush() POSIX 1003.1 libc No No Yes Yes tcgetattr() POSIX 1003.1 libc No No Yes Yes tcgetpgrp() POSIX 1003.1 libc No No Yes Yes tcgetsid() POSIX 1003.1 libc No No Yes Yes tcgetsize() QNX Neutrino libc No No Yes Yes tcinject() QNX Neutrino libc No No Yes Yes tcischars() QNX Neutrino libc No No Yes Yes tcsendbreak() POSIX 1003.1 libc No No Yes Yes tcsetattr() POSIX 1003.1 libc No No Yes Yes tcsetpgrp() POSIX 1003.1 libc No No Yes Yes tcsetsid() QNX Neutrino libc No No No Yes tcsetsize() QNX Neutrino libc No No Yes Yes telldir() POSIX 1003.1 XSI libc No No No Yes tempnam() POSIX 1003.1 OB XSI libc No No No No tgamma() C11, POSIX 1003.1 libm, libm-sve No Yes Yes Yes tgammaf() C11, POSIX 1003.1 libm, libm-sve No Yes Yes Yes tgammal() C11, POSIX 1003.1 libm, libm-sve No Yes Yes Yes thrd_create() C11 libc No No Yes Yes thrd_current() C11 libc No No Yes Yes thrd_detach() C11 libc No No Yes Yes thrd_equal() C11 libc No No Yes Yes thrd_exit() C11 libc No No Yes Yes thrd_join() C11 libc Yes No Yes Yes thrd_sleep() C11 libc Yes No Yes Yes thrd_yield() C11 libc No No Yes Yes thread_pool_control() QNX Neutrino libc Yes No No Yes thread_pool_create() QNX Neutrino libc No No No Yes thread_pool_destroy() QNX Neutrino libc Yes No No Yes thread_pool_limits() QNX Neutrino libc Yes No No Yes thread_pool_start() QNX Neutrino libc Yes No No Yes ThreadCancel() QNX Neutrino libc No No Yes Yes ThreadCancel_r() QNX Neutrino libc No No Yes Yes ThreadCreate() QNX Neutrino libc No No Yes Yes ThreadCreate_r() QNX Neutrino libc No No Yes Yes ThreadCtl() QNX Neutrino libc No No Yes Yes ThreadCtl_r() QNX Neutrino libc No No Yes Yes ThreadCtlExt() QNX Neutrino libc No No Yes Yes ThreadCtlExt_r() QNX Neutrino libc No No Yes Yes ThreadDestroy() QNX Neutrino libc No No Yes Yes ThreadDestroy_r() QNX Neutrino libc No No Yes Yes ThreadDetach() QNX Neutrino libc No No Yes Yes ThreadDetach_r() QNX Neutrino libc No No Yes Yes ThreadJoin() QNX Neutrino libc Yes No Yes Yes ThreadJoin_r() QNX Neutrino libc Yes No Yes Yes time() ANSI, POSIX 1003.1 libc No No Yes Yes timer_create() POSIX 1003.1 libc No No Yes Yes timer_delete() POSIX 1003.1 libc No No Yes Yes timer_getexpstatus() QNX Neutrino libc No No Yes Yes timer_getoverrun() POSIX 1003.1 libc No No Yes Yes timer_gettime() POSIX 1003.1 libc No No Yes Yes timer_settime() POSIX 1003.1 libc No No Yes Yes timer_timeout() QNX Neutrino libc Read the Caveats No Yes Yes timer_timeout_r() QNX Neutrino libc Read the Caveats No Yes Yes TimerAlarm() QNX Neutrino libc No No Yes Yes TimerAlarm_r() QNX Neutrino libc No No Yes Yes TimerCreate() QNX Neutrino libc No No Yes Yes TimerCreate_r() QNX Neutrino libc No No Yes Yes TimerDestroy() QNX Neutrino libc No No Yes Yes TimerDestroy_r() QNX Neutrino libc No No Yes Yes TimerInfo() QNX Neutrino libc No No Yes Yes TimerInfo_r() QNX Neutrino libc No No Yes Yes TimerSettime() QNX Neutrino libc No No Yes Yes TimerSettime_r() QNX Neutrino libc No No Yes Yes TimerTimeout() QNX Neutrino libc Read the Caveats No Yes Yes TimerTimeout_r() QNX Neutrino libc Read the Caveats No Yes Yes times() POSIX 1003.1 libc No No Yes Yes timespec_get() C11 libc No No Yes Yes timespec2nsec() QNX Neutrino libc No Yes Yes Yes tmpfile() ANSI, POSIX 1003.1 libc Yes No No Yes tmpfile64() Large-file support libc Yes No No Yes tmpnam() ANSI, POSIX 1003.1 OB libc Yes No No Read the Caveats tolower() ANSI, POSIX 1003.1 libc No Yes Yes Yes toupper() ANSI, POSIX 1003.1 libc No Yes Yes Yes towctrans() ANSI, POSIX 1003.1 libc No Yes Yes Yes towlower() ANSI, POSIX 1003.1 libc No Yes Yes Yes towupper() ANSI, POSIX 1003.1 libc No Yes Yes Yes trace_func_enter() QNX Neutrino libc No Refer to Trace Event() Yes Yes trace_func_exit() QNX Neutrino libc No Refer to Trace Event() Yes Yes _TRACE_GET_STRUCT() QNX Neutrino Yes Yes Yes Yes trace_here() QNX Neutrino libc No Refer to Trace Event() Yes Yes trace_logb() QNX Neutrino libc No Refer to Trace Event() Yes Yes trace_logbc() QNX Neutrino libc No Refer to Trace Event() Yes Yes trace_logf() QNX Neutrino libc No Refer to Trace Event() Yes Yes trace_logi() QNX Neutrino libc No Refer to Trace Event() Yes Yes trace_nlogf() QNX Neutrino libc No Refer to Trace Event() Yes Yes trace_vnlogf() QNX Neutrino libc No Refer to Trace Event() Yes Yes TraceEvent() QNX Neutrino libc No Read the Caveats Yes Yes traceparser() QNX Neutrino libtraceparser No No No No traceparser_cs() QNX Neutrino libtraceparser No No No No traceparser_cs_range() QNX Neutrino libtraceparser No No No No traceparser_debug() QNX Neutrino libtraceparser No No No Yes traceparser_destroy() QNX Neutrino libtraceparser No No No No traceparser_get_info() QNX Neutrino libtraceparser No No No No traceparser_init() QNX Neutrino libtraceparser No No No No trunc() C11, POSIX 1003.1 libm, libm-sve No Yes Yes Yes truncf() C11, POSIX 1003.1 libm, libm-sve No Yes Yes Yes truncl() C11, POSIX 1003.1 libm, libm-sve No Yes Yes Yes truncate() POSIX 1003.1 libc No No Yes Yes truncate64() Large-file support libc No No Yes Yes tss_create() C11 libc No No No Yes tss_delete() C11 libc No No Yes Yes tss_get() C11 libc No No Yes Yes tss_set() C11 libc No No No Yes ttyname() POSIX 1003.1 libc No No No No ttyname_r() POSIX 1003.1 libc No No Yes Yes tzset() POSIX 1003.1 XSI libc No No No Yes Page updated: March 12, 2026
