DEC C
Run-Time Library Reference Manual for OpenVMS Systems

Chapter 7
7	Math Functions
7.1	Math Function Variants---float, double, long double
7.2	Error Detection
7.3	The <fp.h> Header File
7.4	Example
Chapter 8
8	Memory Allocation Functions
8.1	Program Example
Chapter 9
9	System Functions
Chapter 10
10	Developing International Software
10.1	Features of International Software
10.2	Developing International Software Using DEC C
10.3	Locales
10.4	Using the setlocale Function to Set Up an International Environment
10.5	Using Message Catalogs
10.6	Handling Different Character Sets
10.6.1	Charmap File
10.6.2	Converter Functions
10.6.3	Using Codeset Converter Files
10.7	Handling Culture-Specific Information
10.7.1	Extracting Cultural Information From a Locale
10.7.2	Date and Time Formatting Functions
10.7.3	Monetary Formatting Function
10.7.4	Numeric Formatting
10.8	Functions for Handling Wide Characters
10.8.1	Character Classification Functions
10.8.2	Case Conversion Functions
10.8.3	Functions for Input and Output of Wide Characters
10.8.4	Functions for Converting Multibyte and Wide Characters
10.8.5	Functions for Manipulating Wide-Character Strings and Arrays
10.9	Collating Functions
Chapter 11
11	Date/Time Functions
11.1	Date/Time Support Models
11.2	Overview of Date/Time Functions
11.3	DEC C RTL Date/Time Computations---UTC and Local Time
11.4	Time-Zone Conversion Rule Files
11.5	Sample Date/Time Scenario
Part
Part	Reference Section
Command 1	abort
Command 2	abs
Command 3	access
Command 4	acos
Command 5	[w]addch
Command 6	[w]addstr
Command 7	alarm
Command 8	asctime
Command 9	asin
Command 10	assert
Command 11	atan
Command 12	atan2
Command 13	atexit
Command 14	atof
Command 15	atoi, atol
Command 16	atoq, atoll (ALPHA ONLY)
Command 17	basename
Command 18	bcmp
Command 19	bcopy
Command 20	box
Command 21	brk
Command 22	bsearch
Command 23	btowc
Command 24	bzero
Command 25	cabs
Command 26	calloc
Command 27	catclose
Command 28	catgets
Command 29	catopen
Command 30	ceil
Command 31	cfree
Command 32	chdir
Command 33	chmod
Command 34	chown
Command 35	[w]clear
Command 36	clearerr
Command 37	clearok
Command 38	clock
Command 39	close
Command 40	closedir
Command 41	[w]clrattr
Command 42	[w]clrtobot
Command 43	[w]clrtoeol
Command 44	confstr
Command 45	cos
Command 46	cosh
Command 47	cot
Command 48	creat
Command 49	[no]crmode
Command 50	ctermid
Command 51	ctime
Command 52	cuserid
Command 53	DECC$CRTL_INIT
Command 54	decc$fix_time
Command 55	decc$from_vms
Command 56	decc$match_wild
Command 57	decc$record_read
Command 58	decc$record_write
Command 59	decc$set_reentrancy
Command 60	decc$to_vms
Command 61	decc$translate_vms
Command 62	[w]delch
Command 63	delete
Command 64	[w]deleteln
Command 65	delwin
Command 66	difftime
Command 67	dirname
Command 68	div
Command 69	drand48
Command 70	dup, dup2
Command 71	[no]echo
Command 72	ecvt
Command 73	endwin
Command 74	erand48
Command 75	[w]erase
Command 76	execl
Command 77	execle
Command 78	execlp
Command 79	execv
Command 80	execve
Command 81	execvp
Command 82	exit, _exit
Command 83	exp
Command 84	fabs
Command 85	fclose
Command 86	fcvt
Command 87	fdopen
Command 88	feof
Command 89	ferror
Command 90	fflush
Command 91	ffs
Command 92	fgetc
Command 93	fgetname
Command 94	fgetpos
Command 95	fgets
Command 96	fgetwc
Command 97	fgetws
Command 98	fileno
Command 99	floor
Command 100	fmod
Command 101	fopen
Command 102	fp_class, fp_classf, fp_classl (ALPHA ONLY)
Command 103	fpathconf
Command 104	fprintf
Command 105	fputc
Command 106	fputs
Command 107	fputwc
Command 108	fputws
Command 109	fread
Command 110	free
Command 111	freopen
Command 112	frexp
Command 113	fscanf
Command 114	fseek
Command 115	fsetpos
Command 116	fstat
Command 117	fsync
Command 118	ftell
Command 119	ftime
Command 120	ftruncate
Command 121	ftw
Command 122	fwait
Command 123	fwide
Command 124	fwrite
Command 125	fwprintf
Command 126	fwscanf
Command 127	gcvt
Command 128	getc
Command 129	[w]getch
Command 130	getchar
Command 131	getclock
Command 132	getcwd
Command 133	getdtablesize
Command 134	getegid
Command 135	getenv
Command 136	geteuid
Command 137	getgid
Command 138	getitimer
Command 139	getlogin
Command 140	getname
Command 141	getopt
Command 142	getpagesize
Command 143	getpid
Command 144	getppid
Command 145	getpwnam
Command 146	getpwuid
Command 147	gets
Command 148	[w]getstr
Command 149	gettimeofday
Command 150	getuid
Command 151	getw
Command 152	getwc
Command 153	getwchar
Command 154	getyx
Command 155	gmtime
Command 156	gsignal
Command 157	hypot
Command 158	iconv
Command 159	iconv_close
Command 160	iconv_open
Command 161	[w]inch
Command 162	index
Command 163	initscr
Command 164	initstate
Command 165	[w]insch
Command 166	[w]insertln
Command 167	[w]insstr
Command 168	isalnum
Command 169	isalpha
Command 170	isapipe
Command 171	isascii
Command 172	isatty
Command 173	iscntrl
Command 174	isdigit
Command 175	isgraph
Command 176	islower
Command 177	isprint
Command 178	ispunct
Command 179	isspace
Command 180	isupper
Command 181	iswalnum
Command 182	iswalpha
Command 183	iswcntrl
Command 184	iswctype
Command 185	iswdigit
Command 186	iswgraph
Command 187	iswlower
Command 188	iswprint
Command 189	iswpunct
Command 190	iswspace
Command 191	iswupper
Command 192	iswxdigit
Command 193	isxdigit
Command 194	jrand48
Command 195	kill
Command 196	labs
Command 197	lcong48
Command 198	ldexp
Command 199	ldiv
Command 200	leaveok
Command 201	localeconv
Command 202	localtime
Command 203	log, log10
Command 204	longjmp
Command 205	longname
Command 206	lrand48
Command 207	lseek
Command 208	lwait
Command 209	malloc
Command 210	mblen
Command 211	mbrlen
Command 212	mbrtowc
Command 213	mbstowcs
Command 214	mbtowc
Command 215	mbsinit
Command 216	mbsrtowcs
Command 217	memccpy
Command 218	memchr
Command 219	memcmp
Command 220	memcpy
Command 221	memmove
Command 222	memset
Command 223	mkdir
Command 224	mkstemp
Command 225	mktemp
Command 226	mktime
Command 227	mmap
Command 228	modf
Command 229	[w]move
Command 230	mprotect
Command 231	mrand48
Command 232	msync
Command 233	munmap
Command 234	mv[w]addch
Command 235	mv[w]addstr
Command 236	mvcur
Command 237	mv[w]delch
Command 238	mv[w]getch
Command 239	mv[w]getstr
Command 240	mv[w]inch
Command 241	mv[w]insch
Command 242	mv[w]insstr
Command 243	mvwin
Command 244	newwin
Command 245	nice
Command 246	[no]nl
Command 247	nl_langinfo
Command 248	nrand48
Command 249	open
Command 250	opendir
Command 251	overlay
Command 252	overwrite
Command 253	pause
Command 254	pathconf
Command 255	pclose
Command 256	perror
Command 257	pipe
Command 258	popen
Command 259	pow
Command 260	printf
Command 261	[w]printw
Command 262	putc
Command 263	putchar
Command 264	putenv
Command 265	puts
Command 266	putw
Command 267	putwc
Command 268	putwchar
Command 269	qabs, llabs (ALPHA ONLY)
Command 270	qdiv, lldiv (ALPHA ONLY)
Command 271	qsort
Command 272	raise
Command 273	rand
Command 274	random
Command 275	[no]raw
Command 276	read
Command 277	readdir
Command 278	realloc
Command 279	[w]refresh
Command 280	remove
Command 281	rename
Command 282	rewind
Command 283	rewinddir
Command 284	rindex
Command 285	rmdir
Command 286	sbrk
Command 287	scanf
Command 288	[w]scanw
Command 289	scroll
Command 290	scrollok
Command 291	seed48
Command 292	seekdir
Command 293	[w]setattr
Command 294	setbuf
Command 295	setenv
Command 296	setgid
Command 297	setitimer
Command 298	setjmp
Command 299	setlocale
Command 300	setstate
Command 301	setuid
Command 302	setvbuf
Command 303	sigaction
Command 304	sigaddset
Command 305	sigblock
Command 306	sigdelset
Command 307	sigemptyset
Command 308	sigfillset
Command 309	sigismember
Command 310	siglongjmp
Command 311	sigmask
Command 312	signal
Command 313	sigpause
Command 314	sigpending
Command 315	sigprocmask
Command 316	sigsetjmp
Command 317	sigsetmask
Command 318	sigstack (VAX ONLY)
Command 319	sigsuspend
Command 320	sigvec
Command 321	sin
Command 322	sinh
Command 323	sleep
Command 324	sprintf
Command 325	sqrt
Command 326	srand
Command 327	srand48
Command 328	srandom
Command 329	sscanf
Command 330	ssignal
Command 331	[w]standend
Command 332	[w]standout
Command 333	stat
Command 334	strcasecmp
Command 335	strcat
Command 336	strchr
Command 337	strcmp
Command 338	strcoll
Command 339	strcpy
Command 340	strcspn
Command 341	strdup
Command 342	strerror
Command 343	strfmon
Command 344	strftime
Command 345	strlen
Command 346	strncasecmp
Command 347	strncat
Command 348	strncmp
Command 349	strncpy
Command 350	strnlen
Command 351	strpbrk
Command 352	strptime
Command 353	strrchr
Command 354	strsep
Command 355	strspn
Command 356	strstr
Command 357	strtod
Command 358	strtok
Command 359	strtol
Command 360	strtoq, strtoll (ALPHA ONLY)
Command 361	strtoul
Command 362	strtouq, strtoull (ALPHA ONLY)
Command 363	strxfrm
Command 364	subwin
Command 365	swab
Command 366	swprintf
Command 367	swscanf
Command 368	sysconf
Command 369	system
Command 370	tan
Command 371	tanh
Command 372	telldir
Command 373	tempnam
Command 374	time
Command 375	times
Command 376	tmpfile
Command 377	tmpnam
Command 378	toascii
Command 379	tolower
Command 380	_tolower
Command 381	touchwin
Command 382	toupper
Command 383	_toupper
Command 384	towctrans
Command 385	towlower
Command 386	towupper
Command 387	truncate
Command 388	ttyname
Command 389	tzset
Command 390	ualarm
Command 391	umask
Command 392	uname
Command 393	ungetc
Command 394	ungetwc
Command 395	unsetenv
Command 396	usleep
Command 397	VAXC$CRTL_INIT
Command 398	VAXC$ESTABLISH
Command 399	va_arg
Command 400	va_count
Command 401	va_end
Command 402	va_start_1, va_start
Command 403	vfork
Command 404	vfprintf
Command 405	vfwprintf
Command 406	vprintf
Command 407	vswprintf
Command 408	vwprintf
Command 409	vsprintf
Command 410	wait
Command 411	wait3
Command 412	wait4
Command 413	waitpid
Command 414	wcrtomb
Command 415	wcscat
Command 416	wcschr
Command 417	wcscmp
Command 418	wcscoll
Command 419	wcscpy
Command 420	wcscspn
Command 421	wcsftime
Command 422	wcslen
Command 423	wcsncat
Command 424	wcsncmp
Command 425	wcsncpy
Command 426	wcspbrk
Command 427	wcsrchr
Command 428	wcsrtombs
Command 429	wcsspn
Command 430	wcsstr
Command 431	wcstod
Command 432	wcstok
Command 433	wcstol
Command 434	wcstombs
Command 435	wcstoul
Command 436	wcswcs
Command 437	wcswidth
Command 438	wcsxfrm
Command 439	wctob
Command 440	wctomb
Command 441	wctrans
Command 442	wctype
Command 443	wcwidth
Command 444	wmemchr
Command 445	wmemcmp
Command 446	wmemcpy
Command 447	wmemmove
Command 448	wmemset
Command 449	wprintf
Command 450	wrapok
Command 451	write
Command 452	wscanf