C参考手册

C 语言是一门通用计算机编程语言，应用广泛。C 语言的设计目标是提供一种能以简易的方式编译、处理低级存储器、产生少量的机器码以及不需要任何运行环境支持便能运行的编程语言。

	算法 \| Algorithms
	Algorithms	详细
	bsearch	详细
	bsearch_s	详细
	qsort	详细
	qsort_s	详细

	原子操作 \| Atomic operations
	Atomic operations library	详细
	ATOMIC_*_LOCK_FREE	详细
	atomic_compare_exchange_strong	详细
	atomic_compare_exchange_strong_explicit	详细
	atomic_compare_exchange_weak	详细
	atomic_compare_exchange_weak_explicit	详细
	atomic_exchange	详细
	atomic_exchange_explicit	详细
	atomic_fetch_add	详细
	atomic_fetch_add_explicit	详细
	atomic_fetch_and	详细
	atomic_fetch_and_explicit	详细
	atomic_fetch_or	详细
	atomic_fetch_or_explicit	详细
	atomic_fetch_sub	详细
	atomic_fetch_sub_explicit	详细
	atomic_fetch_xor	详细
	atomic_fetch_xor_explicit	详细
	atomic_flag	详细
	atomic_flag_clear	详细
	atomic_flag_clear_explicit	详细
	ATOMIC_FLAG_INIT	详细
	atomic_flag_test_and_set	详细
	atomic_flag_test_and_set_explicit	详细
	atomic_init	详细
	atomic_is_lock_free	详细
	atomic_load	详细
	atomic_load_explicit	详细
	atomic_signal_fence	详细
	atomic_store	详细
	atomic_store_explicit	详细
	atomic_thread_fence	详细
	ATOMIC_VAR_INIT	详细
	kill_dependency	详细
	memory_order	详细

	关键词 \| C keywords
	auto	详细
	break	详细
	C keywords	详细
	case	详细
	char	详细
	const	详细
	continue	详细
	default	详细
	do	详细
	double	详细
	else	详细
	enum	详细
	extern	详细
	float	详细
	for	详细
	fortran	详细
	goto	详细
	if	详细
	inline	详细
	int	详细
	long	详细
	register	详细
	restrict	详细
	return	详细
	short	详细
	signed	详细
	sizeof	详细
	static	详细
	struct	详细
	switch	详细
	typedef）	详细
	union	详细
	unsigned	详细
	void	详细
	volatile	详细
	while	详细
	_Alignas	详细
	_Alignof	详细
	_Atomic	详细
	_Bool	详细
	_Complex	详细
	_Generic	详细
	_Imaginary	详细
	_Noreturn	详细
	_Static_assert	详细
	_Thread_local	详细

	C 语法
	#define directive	详细
	#elif directive	详细
	#else directive	详细
	#endif directive	详细
	#error directive	详细
	#if directive	详细
	#ifdef directive	详细
	#ifndef directive	详细
	#include directive	详细
	#line directive	详细
	#pragma directive	详细
	alignas	详细
	Alternative operators and tokens	详细
	Analyzability	详细
	Arithmetic operators	详细
	Arithmetic types	详细
	Array declaration	详细
	Array initialization	详细
	ASCII Chart	详细
	Assignment operators	详细
	types	详细
	Basic concepts	详细
	Bit fields	详细
	break statement	详细
	C language	详细
	C Operator Precedence	详细
	cast operator	详细
	character constant	详细
	Comments	详细
	Comparison operators	详细
	compound literals	详细
	Conditional inclusion	详细
	Conformance	详细
	const type qualifier	详细
	Constant expressions	详细
	continue statement	详细
	Declarations	详细
	do-while loop	详细
	Enumerations	详细
	Escape sequences	详细
	Expressions	详细
	External and tentative definitions	详细
	File scope	详细
	floating constant	详细
	for loop	详细
	Function declarations	详细
	Function definitions	详细
	Functions	详细
	Generic selection	详细
	goto statement	详细
	Identifier	详细
	if statement	详细
	Implicit conversions	详细
	Increment/decrement operators	详细
	Initialization	详细
	inline function specifier	详细
	integer constant	详细
	Lifetime	详细
	Logical operators	详细
	Lookup and name spaces	详细
	Main function	详细
	Member access operators	详细
	Memory model	详细
	Objects and alignment	详细
	Order of evaluation	详细
	Other operators	详细
	Phases of translation	详细
	Pointer declaration	详细
	Preprocessor	详细
	restrict type qualifier	详细
	return statement	详细
	Scalar initialization	详细
	Scope	详细
	sizeof operator	详细
	Statements	详细
	static assert declaration	详细
	Static storage duration	详细
	Storage-class specifiers	详细
	string literals	详细
	Struct and union initialization	详细
	Struct declaration	详细
	switch statement	详细
	Thread storage duration	详细
	Type	详细
	Type	详细
	Typedef declaration	详细
	Undefined behavior	详细
	Union declaration	详细
	Value categories	详细
	Variadic arguments	详细
	volatile type qualifier	详细
	while loop	详细
	_Alignof operator	详细
	_Noreturn function specifier	详细

	日期与时间 \| Date and time
	asctime	详细
	asctime_s	详细
	clock	详细
	CLOCKS_PER_SEC	详细
	clock_t	详细
	ctime（ctime函数）	详细
	ctime_s	详细
	Date and time utilities	详细
	difftime	详细
	gmtime	详细
	gmtime_s	详细
	localtime	详细
	localtime_s	详细
	mktime	详细
	strftime	详细
	time	详细
	timespec	详细
	timespec_get	详细
	time_t	详细
	tm	详细
	wcsftime	详细

	动态内存管理 \| Dynamic memory management
	aligned_alloc	详细
	C memory management library	详细
	calloc	详细
	free	详细
	malloc	详细
	realloc	详细

	错误处理 \| Error handling
	abort_handler_s	详细
	assert	详细
	constraint_handler_t	详细
	error	详细
	Error handling	详细
	Error numbers	详细
	ignore_handler_s	详细
	set_constraint_handler_s	详细
	static_assert	详细

	文件输入/输出 \| File input/output
	clearerr	详细
	fclose	详细
	feof	详细
	ferror	详细
	fflush	详细
	fgetc	详细
	fgetpos	详细
	fgets	详细
	fgetwc	详细
	fgetws	详细
	File input/output	详细
	fopen	详细
	fopen_s	详细
	fprintf	详细
	fprintf_s	详细
	fputc	详细
	fputs	详细
	fputwc	详细
	fputws	详细
	fread	详细
	freopen	详细
	freopen_s	详细
	fscanf	详细
	fscanf_s	详细
	fseek	详细
	fsetpos	详细
	ftell	详细
	fwide	详细
	fwprintf	详细
	fwprintf_s	详细
	fwrite	详细
	fwscanf	详细
	fwscanf_s	详细
	getc	详细
	getchar	详细
	gets	详细
	gets_s	详细
	getwchar	详细
	perror	详细
	printf	详细
	printf_s	详细
	putc	详细
	putchar	详细
	puts	详细
	putwc	详细
	putwchar	详细
	remove	详细
	rename	详细
	rewind	详细
	scanf	详细
	scanf_s	详细
	setbuf	详细
	setvbuf	详细
	snprintf	详细
	sprintf	详细
	sscanf	详细
	sscanf_s	详细
	swprintf	详细
	swprintf_s	详细
	swscanf	详细
	swscanf_s	详细
	tmpfile	详细
	tmpfile_s	详细
	tmpnam	详细
	tmpnam_s	详细
	ungetc	详细
	ungetwc	详细
	vfprintf	详细
	vfprintf_s	详细
	vfscanf	详细
	vfscanf_s	详细
	vfwprintf	详细
	vfwprintf_s	详细
	vfwscanf	详细
	vfwscanf_s	详细
	vprintf	详细
	vprintf_s	详细
	vscanf	详细
	vscanf_s	详细
	vsnprintf	详细
	vsprintf	详细
	vsscanf	详细
	vsscanf_s	详细
	vswprintf	详细
	vswprintf_s	详细
	vswscanf	详细
	vswscanf_s	详细
	vwprintf	详细
	vwprintf_s	详细
	vwscanf	详细
	vwscanf_s	详细
	wprintf	详细
	wprintf_s	详细
	wscanf	详细
	wscanf_s	详细

	本地化支持 \| Localization support
	lconv	详细
	LC_ALL	详细
	LC_COLLATE	详细
	LC_CTYPE	详细
	LC_MONETARY	详细
	LC_NUMERIC	详细
	LC_TIME	详细
	localeconv	详细
	Localization support	详细
	setlocale	详细

	数值 \| Numerics
	abs	详细
	acos	详细
	acosf	详细
	acosh	详细
	acoshf	详细
	acoshl	详细
	acosl	详细
	asin	详细
	asinf	详细
	asinh	详细
	asinhf	详细
	asinhl	详细
	asinl	详细
	atan	详细
	atan2	详细
	atan2f	详细
	atan2l	详细
	atanf	详细
	atanh	详细
	atanhf	详细
	atanhl	详细
	atanl	详细
	cabs	详细
	cabsf	详细
	cabsl	详细
	cacos	详细
	cacosf	详细
	cacosh	详细
	cacoshf	详细
	cacoshl	详细
	cacosl	详细
	carg	详细
	cargf	详细
	cargl	详细
	casin	详细
	casinf	详细
	casinh	详细
	casinhf	详细
	casinhl	详细
	casinl	详细
	catan	详细
	catanf	详细
	catanh	详细
	catanhf	详细
	catanhl	详细
	catanl	详细
	cbrt	详细
	cbrtf	详细
	cbrtl	详细
	ccos	详细
	ccosf	详细
	ccosh	详细
	ccoshf	详细
	ccoshl	详细
	ccosl	详细
	ceil	详细
	ceilf	详细
	ceill	详细
	cexp	详细
	cexpf	详细
	cexpl	详细
	cimag	详细
	cimagf	详细
	cimagl	详细
	clog	详细
	clogf	详细
	clogl	详细
	CMPLX	详细
	CMPLXF	详细
	CMPLXL	详细
	Common mathematical functions	详细
	complex	详细
	Complex number arithmetic	详细
	conj	详细
	conjf	详细
	conjl	详细
	copysign	详细
	copysignf	详细
	copysignl	详细
	cos	详细
	cosf	详细
	cosh	详细
	coshf	详细
	coshl	详细
	cosl	详细
	cpow	详细
	cpowf	详细
	cpowl	详细
	cproj	详细
	cprojf	详细
	cprojl	详细
	creal	详细
	crealf	详细
	creall	详细
	csin	详细
	csinf	详细
	csinh	详细
	csinhf	详细
	csinhl	详细
	csinl	详细
	csqrt	详细
	csqrtf	详细
	csqrtl	详细
	ctan	详细
	ctanf	详细
	ctanh	详细
	ctanhf	详细
	ctanhl	详细
	ctanl	详细
	div	详细
	double_t	详细
	erf	详细
	erfc	详细
	erfcf	详细
	erfcl	详细
	erff	详细
	erfl	详细
	exp	详细
	exp2	详细
	exp2f	详细
	exp2l	详细
	expf	详细
	expl	详细
	expm1	详细
	expm1f	详细
	expm1l	详细
	fabs	详细
	fabsf	详细
	fabsl	详细
	fdim	详细
	feclearexcept	详细
	fegetenv	详细
	fegetexceptflag	详细
	fegetround	详细
	feholdexcept	详细
	feraiseexcept	详细
	fesetenv	详细
	fesetexceptflag	详细
	fesetround	详细
	fetestexcept	详细
	feupdateenv	详细
	FE_ALL_EXCEPT	详细
	FE_DFL_ENV	详细
	FE_DIVBYZERO	详细
	FE_DOWNWARD	详细
	FE_INEXACT	详细
	FE_INVALID	详细
	FE_OVERFLOW	详细
	FE_TONEAREST	详细
	FE_TOWARDZERO	详细
	FE_UNDERFLOW	详细
	FE_UPWARD	详细
	Floating-point environment	详细
	float_t	详细
	floor	详细
	floorf	详细
	floorl	详细
	fma	详细
	fmaf	详细
	fmal	详细
	fmax	详细
	fmaxf	详细
	fmaxl	详细
	fmin	详细
	fminf	详细
	fminl	详细
	fmod	详细
	fmodf	详细
	fmodl	详细
	fpclassify	详细
	FP_INFINITE	详细
	FP_NAN	详细
	FP_NORMAL	详细
	FP_SUBNORMAL	详细
	FP_ZERO	详细
	frexp	详细
	frexpf	详细
	frexpl	详细
	HUGE_VAL	详细
	HUGE_VALF	详细
	HUGE_VALL	详细
	hypot	详细
	hypotf	详细
	hypotl	详细
	I	详细
	ilogb	详细
	ilogbf	详细
	ilogbl	详细
	imaginary	详细
	imaxabs	详细
	imaxdiv	详细
	INFINITY	详细
	isfinite	详细
	isgreater	详细
	isgreaterequal	详细
	isinf	详细
	isless	详细
	islessequal	详细
	islessgreater	详细
	isnan	详细
	isnormal	详细
	isunordered	详细
	labs	详细
	ldexp	详细
	ldexpf	详细
	ldexpl	详细
	ldiv	详细
	lgamma	详细
	lgammaf	详细
	lgammal	详细
	llabs	详细
	lldiv	详细
	llrint	详细
	llrintf	详细
	llrintl	详细
	llround	详细
	llroundf	详细
	llroundl	详细
	log	详细
	log10	详细
	log10f	详细
	log10l	详细
	log1p	详细
	log1pf	详细
	log1pl	详细
	log2	详细
	log2f	详细
	log2l	详细
	logb	详细
	logbf	详细
	logbl	详细
	logf	详细
	logl	详细
	lrint	详细
	lrintf	详细
	lrintl	详细
	lround	详细
	lroundf	详细
	lroundl	详细
	MATH_ERREXCEPT	详细
	math_errhandling	详细
	MATH_ERRNO	详细
	modf	详细
	modff	详细
	modfl	详细
	nan	详细
	NAN	详细
	nanf	详细
	nanl	详细
	nearbyint	详细
	nearbyintf	详细
	nearbyintl	详细
	nextafter	详细
	nextafterf	详细
	nextafterl	详细
	nexttoward	详细
	nexttowardf	详细
	nexttowardl	详细
	Numerics	详细
	pow	详细
	powf	详细
	powl	详细
	Pseudo-random number generation	详细
	rand	详细
	RAND_MAX	详细
	remainder	详细
	remainderf	详细
	remainderl	详细
	remquo	详细
	remquof	详细
	remquol	详细
	rint	详细
	rintf	详细
	rintl	详细
	round	详细
	roundf	详细
	roundl	详细
	scalbln	详细
	scalblnf	详细
	scalblnl	详细
	scalbn	详细
	scalbnf	详细
	scalbnl	详细
	signbit	详细
	sin	详细
	sinf	详细
	sinh	详细
	sinhf	详细
	sinhl	详细
	sinl	详细
	sqrt	详细
	sqrtf	详细
	sqrtl	详细
	srand	详细
	tan	详细
	tanf	详细
	tanh	详细
	tanhf	详细
	tanhl	详细
	tanl	详细
	tgamma	详细
	tgammaf	详细
	tgammal	详细
	trunc	详细
	truncf	详细
	truncl	详细
	Type-generic math	详细
	_Complex_I	详细
	_Imaginary_I	详细

	编程支持 \| Program support
	abort	详细
	atexit	详细
	at_quick_exit	详细
	exit	详细
	EXIT_FAILURE	详细
	EXIT_SUCCESS	详细
	getenv	详细
	getenv_s	详细
	jmp_buf	详细
	longjmp	详细
	Program support utilities	详细
	quick_exit	详细
	raise	详细
	setjmp	详细
	SIGABRT	详细
	SIGFPE	详细
	SIGILL	详细
	SIGINT	详细
	signal	详细
	SIGSEGV	详细
	SIGTERM	详细
	sig_atomic_t	详细
	SIG_DFL	详细
	SIG_ERR	详细
	SIG_IGN	详细
	system	详细
	_Exit	详细

	字符串 \| Strings
	atof	详细
	atoi	详细
	atol	详细
	atoll	详细
	btowc	详细
	c16rtomb	详细
	c32rtomb	详细
	char16_t	详细
	char32_t	详细
	isalnum	详细
	isalpha	详细
	isblank	详细
	iscntrl	详细
	isdigit	详细
	isgraph	详细
	islower	详细
	isprint	详细
	ispunct	详细
	isspace	详细
	isupper	详细
	iswalnum	详细
	iswalpha	详细
	iswblank	详细
	iswcntrl	详细
	iswctype	详细
	iswdigit	详细
	iswgraph	详细
	iswlower	详细
	iswprint	详细
	iswpunct	详细
	iswspace	详细
	iswupper	详细
	iswxdigit	详细
	isxdigit	详细
	mblen	详细
	mbrlen	详细
	mbrtoc16	详细
	mbrtoc32	详细
	mbrtowc	详细
	mbsinit	详细
	mbsrtowcs	详细
	mbsrtowcs_s	详细
	mbstate_t	详细
	mbstowcs	详细
	mbstowcs_s	详细
	mbtowc	详细
	memchr	详细
	memcmp	详细
	memcpy	详细
	memcpy_s	详细
	memmove	详细
	memmove_s	详细
	memset	详细
	memset_s	详细
	Null-terminated byte strings	详细
	Null-terminated multibyte strings	详细
	Null-terminated wide strings	详细
	strcat	详细
	strcat_s	详细
	strchr	详细
	strcmp	详细
	strcoll	详细
	strcpy	详细
	strcpy_s	详细
	strcspn	详细
	strerror	详细
	strerrorlen_s	详细
	strerror_s	详细
	Strings library	详细
	strlen	详细
	strncat	详细
	strncat_s	详细
	strncmp	详细
	strncpy	详细
	strncpy_s	详细
	strnlen_s	详细
	strpbrk	详细
	strrchr	详细
	strspn	详细
	strstr	详细
	strtod	详细
	strtof	详细
	strtoimax	详细
	strtok	详细
	strtok_s	详细
	strtol	详细
	strtold	详细
	strtoll	详细
	strtoul	详细
	strtoull	详细
	strtoumax	详细
	strxfrm	详细
	tolower	详细
	toupper	详细
	towctrans	详细
	towlower	详细
	towupper	详细
	wcrtomb	详细
	wcrtomb_s	详细
	wcscat	详细
	wcscat_s	详细
	wcschr	详细
	wcscmp	详细
	wcscoll	详细
	wcscpy	详细
	wcscpy_s	详细
	wcscspn	详细
	wcslen	详细
	wcsncat	详细
	wcsncat_s	详细
	wcsncmp	详细
	wcsncpy	详细
	wcsncpy_s	详细
	wcsnlen_s	详细
	wcspbrk	详细
	wcsrchr	详细
	wcsrtombs	详细
	wcsrtombs_s	详细
	wcsspn	详细
	wcsstr	详细
	wcstod	详细
	wcstof	详细
	wcstoimax	详细
	wcstok	详细
	wcstok_s	详细
	wcstol	详细
	wcstold	详细
	wcstoll	详细
	wcstombs	详细
	wcstombs_s	详细
	wcstoul	详细
	wcstoull	详细
	wcstoumax	详细
	wcsxfrm	详细
	wctob	详细
	wctomb	详细
	wctomb_s	详细
	wctrans	详细
	wctype	详细
	wmemchr	详细
	wmemcmp	详细
	wmemcpy	详细
	wmemcpy_s	详细
	wmemmove	详细
	wmemmove_s	详细
	wmemset	详细

	线程支持 \| Thread support
	call_once	详细
	cnd_broadcast	详细
	cnd_destroy	详细
	cnd_init	详细
	cnd_signal	详细
	cnd_timedwait	详细
	cnd_wait	详细
	mtx_destroy	详细
	mtx_init	详细
	mtx_lock	详细
	mtx_plain	详细
	mtx_recursive	详细
	mtx_timed	详细
	mtx_timedlock	详细
	mtx_trylock	详细
	mtx_unlock	详细
	once_flag	详细
	ONCE_FLAG_INIT	详细
	thrd_busy	详细
	thrd_create	详细
	thrd_current	详细
	thrd_detach	详细
	thrd_equal	详细
	thrd_error	详细
	thrd_exit	详细
	thrd_join	详细
	thrd_nomem	详细
	thrd_sleep	详细
	thrd_success	详细
	thrd_timedout	详细
	thrd_yield	详细
	Thread support library	详细
	thread_local	详细
	tss_create	详细
	tss_delete	详细
	TSS_DTOR_ITERATIONS	详细
	tss_get	详细
	tss_set	详细

	种类支持 \| Type support
	Boolean type support library	详细
	Fixed width integer types	详细
	FLT_EVAL_METHOD	详细
	FLT_ROUNDS	详细
	max_align_t	详细
	NULL	详细
	Numeric limits	详细
	offsetof	详细
	ptrdiff_t	详细
	size_t	详细
	Type support	详细

	变量函数 \| Variadic functions
	Variadic functions	详细
	va_arg	详细
	va_copy	详细
	va_end	详细
	va_list	详细
	va_start	详细

C资料

C目录

1.算法 \| Algorithms
2.原子操作 \| Atomic operations
3.关键词 \| C keywords
4.C 语法
5.日期与时间 \| Date and time
6.动态内存管理 \| Dynamic memory management
7.错误处理 \| Error handling
8.文件输入/输出 \| File input/output
9.本地化支持 \| Localization support
10.数值 \| Numerics
11.编程支持 \| Program support
12.字符串 \| Strings
13.线程支持 \| Thread support
14.种类支持 \| Type support
15.变量函数 \| Variadic functions

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