D Function Classification Cancel ISR Signal Thread daemon() Legacy Unix No No Yes No DebugBreak() QNX Neutrino No No Yes Yes DebugKDBreak() QNX Neutrino No No Yes Yes DebugKDOutput() QNX Neutrino No No Yes Yes delay() QNX 4 Yes No Yes Yes devctl() QNX Neutrino Yes No Yes Yes dhcpctl*() NetBSD No No No difftime() ANSI POSIX 1003.1 No No No Yes dircntl() QNX Neutrino No No No Yes dirname() POSIX 1003.1 XSI No No Yes Yes dispatch_block() QNX Neutrino Yes No Yes Yes dispatch_context_alloc() QNX Neutrino No No No Yes dispatch_context_free() QNX Neutrino No No No Yes dispatch_create() QNX Neutrino No No No Yes dispatch_create_channel() QNX Neutrino No No No Yes dispatch_destroy() QNX Neutrino No No No Yes dispatch_handler() QNX Neutrino Read the Caveats No No Yes dispatch_timeout() QNX Neutrino No No No Yes dispatch_unblock() QNX Neutrino Yes No Yes Yes div() ANSI POSIX 1003.1 No Yes Yes Yes dladdr() Unix No No No Yes dlclose() POSIX 1003.1 XSI Yes No No Yes dlerror() POSIX 1003.1 XSI No No No Yes dlopen() POSIX 1003.1 XSI Yes No No Yes dlsym() POSIX 1003.1 XSI No No No Yes dn_comp() Unix No No Yes Yes dn_expand() Unix No No Yes Yes drand48() POSIX 1003.1 XSI No No No No dup() POSIX 1003.1 No No Yes Yes dup2() POSIX 1003.1 No No Yes Yes Related linksFull Safety Information