Table of Contents

Algorithms
- Algorithms
- bsearch
- bsearch_s
- qsort
- qsort_s
Atomic operations
- Atomic operations library
C keywords
- _Alignas
- _Alignof
- _Atomic
- _Bool
- _Complex
- _Decimal128
- _Decimal32
- _Decimal64
- _Generic
- _Imaginary
- _Noreturn
- _Static_assert
- _Thread_local
- auto
- break
- C keywords
- case
- char
- const
- continue
- default
- do
- double
- else
- enum
- extern
- float
- for
- fortran
- goto
- if
- inline
- int
- long
- register
- restrict
- return
- short
- signed
- sizeof
- static
- struct
- switch
- typedef
- union
- unsigned
- void
- volatile
- while
C language
Concurrency support
Date and time
- asctime
- asctime_r
- asctime_s
- clock
- clock_t
- CLOCKS_PER_SEC
- ctime
- ctime_r
- ctime_s
- Date and time utilities
- difftime
- gmtime
- gmtime_r
- gmtime_s
- localtime
- localtime_r
- localtime_s
- mktime
- strftime
- time
- time_t
- timespec
- timespec_get
- timespec_getres
- tm
- wcsftime
Dynamic memory management
Error handling
File input/output
- clearerr
- fclose
- feof
- ferror
- fflush
- fgetc
- fgetpos
- fgets
- fgetwc
- fgetws
- FILE
- File input/output
- fopen
- fopen_s
- fpos_t
- fprintf
- fprintf_s
- fputc
- fputs
- fputwc
- fputws
- fread
- freopen
- freopen_s
- fscanf
- fscanf_s
- fseek
- fsetpos
- ftell
- fwide
- fwprintf
- fwprintf_s
- fwrite
- fwscanf
- fwscanf_s
- getc
- getchar
- gets
- gets_s
- getwc
- getwchar
- perror
- printf
- printf_s
- putc
- putchar
- puts
- putwc
- putwchar
- remove
- rename
- rewind
- scanf
- scanf_s
- setbuf
- setvbuf
- snprintf
- snprintf_s
- snwprintf_s
- sprintf
- sprintf_s
- sscanf
- sscanf_s
- stderr
- stdin
- stdout
- swprintf
- swprintf_s
- swscanf
- swscanf_s
- tmpfile
- tmpfile_s
- tmpnam
- tmpnam_s
- ungetc
- ungetwc
- vfprintf
- vfprintf_s
- vfscanf
- vfscanf_s
- vfwprintf
- vfwprintf_s
- vfwscanf
- vfwscanf_s
- vprintf
- vprintf_s
- vscanf
- vscanf_s
- vsnprintf
- vsnprintf_s
- vsnwprintf_s
- vsprintf
- vsprintf_s
- vsscanf
- vsscanf_s
- vswprintf
- vswprintf_s
- vswscanf
- vswscanf_s
- vwprintf
- vwprintf_s
- vwscanf
- vwscanf_s
- wprintf
- wprintf_s
- wscanf
- wscanf_s
Localization support
- LC_ALL
- LC_COLLATE
- LC_CTYPE
- LC_MONETARY
- LC_NUMERIC
- LC_TIME
- lconv
- localeconv
- Localization support
- setlocale
Numerics
- _Complex_I
- _Imaginary_I
- abs
- acos
- acosf
- acosh
- acoshf
- acoshl
- acosl
- asin
- asinf
- asinh
- asinhf
- asinhl
- asinl
- atan
- atan2
- atan2f
- atan2l
- atanf
- atanh
- atanhf
- atanhl
- atanl
- cabs
- cabsf
- cabsl
- cacos
- cacosf
- cacosh
- cacoshf
- cacoshl
- cacosl
- carg
- cargf
- cargl
- casin
- casinf
- casinh
- casinhf
- casinhl
- casinl
- catan
- catanf
- catanh
- catanhf
- catanhl
- catanl
- cbrt
- cbrtf
- cbrtl
- ccos
- ccosf
- ccosh
- ccoshf
- ccoshl
- ccosl
- ceil
- ceilf
- ceill
- cexp
- cexpf
- cexpl
- cimag
- cimagf
- cimagl
- clog
- clogf
- clogl
- CMPLX
- CMPLXF
- CMPLXL
- Common mathematical functions
- complex
- Complex number arithmetic
- conj
- conjf
- conjl
- copysign
- copysignf
- copysignl
- cos
- cosf
- cosh
- coshf
- coshl
- cosl
- cpow
- cpowf
- cpowl
- cproj
- cprojf
- cprojl
- creal
- crealf
- creall
- csin
- csinf
- csinh
- csinhf
- csinhl
- csinl
- csqrt
- csqrtf
- csqrtl
- ctan
- ctanf
- ctanh
- ctanhf
- ctanhl
- ctanl
- div
- double_t
- erf
- erfc
- erfcf
- erfcl
- erff
- erfl
- exp
- exp2
- exp2f
- exp2l
- expf
- expl
- expm1
- expm1f
- expm1l
- fabs
- fabsd128
- fabsd32
- fabsd64
- fabsf
- fabsl
- fdim
- fdimf
- fdiml
- FE_ALL_EXCEPT
- FE_DFL_ENV
- FE_DIVBYZERO
- FE_DOWNWARD
- FE_INEXACT
- FE_INVALID
- FE_OVERFLOW
- FE_TONEAREST
- FE_TOWARDZERO
- FE_UNDERFLOW
- FE_UPWARD
- feclearexcept
- fegetenv
- fegetexceptflag
- fegetround
- feholdexcept
- feraiseexcept
- fesetenv
- fesetexceptflag
- fesetround
- fetestexcept
- feupdateenv
- float_t
- Floating-point environment
- floor
- floorf
- floorl
- fma
- fmaf
- fmal
- fmax
- fmaxf
- fmaxl
- fmin
- fminf
- fminl
- fmod
- fmodf
- fmodl
- FP_INFINITE
- FP_NAN
- FP_NORMAL
- FP_SUBNORMAL
- FP_ZERO
- fpclassify
- frexp
- frexpf
- frexpl
- HUGE_VAL
- HUGE_VALF
- HUGE_VALL
- hypot
- hypotf
- hypotl
- I
- ilogb
- ilogbf
- ilogbl
- imaginary
- imaxabs
- imaxdiv
- INFINITY
- isfinite
- isgreater
- isgreaterequal
- isinf
- isless
- islessequal
- islessgreater
- isnan
- isnormal
- isunordered
- labs
- ldexp
- ldexpf
- ldexpl
- ldiv
- lgamma
- lgammaf
- lgammal
- llabs
- lldiv
- llrint
- llrintf
- llrintl
- llround
- llroundf
- llroundl
- log
- log10
- log10f
- log10l
- log1p
- log1pf
- log1pl
- log2
- log2f
- log2l
- logb
- logbf
- logbl
- logf
- logl
- lrint
- lrintf
- lrintl
- lround
- lroundf
- lroundl
- MATH_ERREXCEPT
- math_errhandling
- MATH_ERRNO
- modf
- modff
- modfl
- nan
- nand128
- nand32
- nand64
- nanf
- nanl
- nearbyint
- nearbyintf
- nearbyintl
- nextafter
- nextafterf
- nextafterl
- nexttoward
- nexttowardf
- nexttowardl
- Numerics
- pow
- powf
- powl
- Pseudo-random number generation
- rand
- RAND_MAX
- remainder
- remainderf
- remainderl
- remquo
- remquof
- remquol
- rint
- rintf
- rintl
- round
- roundf
- roundl
- scalbln
- scalblnf
- scalblnl
- scalbn
- scalbnf
- scalbnl
- signbit
- sin
- sinf
- sinh
- sinhf
- sinhl
- sinl
- sqrt
- sqrtf
- sqrtl
- srand
- tan
- tanf
- tanh
- tanhf
- tanhl
- tanl
- tgamma
- tgammaf
- tgammal
- trunc
- truncf
- truncl
- Type-generic math
Program support
- _Exit
- abort
- at_quick_exit
- atexit
- exit
- EXIT_FAILURE
- EXIT_SUCCESS
- getenv
- getenv_s
- jmp_buf
- longjmp
- Program support utilities
- quick_exit
- raise
- setjmp
- sig_atomic_t
- SIG_DFL
- SIG_ERR
- SIG_IGN
- SIGABRT
- SIGFPE
- SIGILL
- SIGINT
- signal
- SIGSEGV
- SIGTERM
- system
Strings
- atof
- atoi
- atol
- atoll
- btowc
- c16rtomb
- c32rtomb
- char16_t
- char32_t
- isalnum
- isalpha
- isblank
- iscntrl
- isdigit
- isgraph
- islower
- isprint
- ispunct
- isspace
- isupper
- iswalnum
- iswalpha
- iswblank
- iswcntrl
- iswctype
- iswdigit
- iswgraph
- iswlower
- iswprint
- iswpunct
- iswspace
- iswupper
- iswxdigit
- isxdigit
- mblen
- mbrlen
- mbrtoc16
- mbrtoc32
- mbrtowc
- mbsinit
- mbsrtowcs
- mbsrtowcs_s
- mbstate_t
- mbstowcs
- mbstowcs_s
- mbtowc
- memccpy
- memchr
- memcmp
- memcpy
- memcpy_s
- memmove
- memmove_s
- memset
- memset_s
- Null-terminated byte strings
- Null-terminated multibyte strings
- Null-terminated wide strings
- strcat
- strcat_s
- strchr
- strcmp
- strcoll
- strcpy
- strcpy_s
- strcspn
- strdup
- strerror
- strerror_s
- strerrorlen_s
- Strings library
- strlen
- strncat
- strncat_s
- strncmp
- strncpy
- strncpy_s
- strndup
- strnlen_s
- strpbrk
- strrchr
- strspn
- strstr
- strtod
- strtof
- strtoimax
- strtok
- strtok_s
- strtol
- strtold
- strtoll
- strtoul
- strtoull
- strtoumax
- strxfrm
- tolower
- toupper
- towctrans
- towlower
- towupper
- wcrtomb
- wcrtomb_s
- wcscat
- wcscat_s
- wcschr
- wcscmp
- wcscoll
- wcscpy
- wcscpy_s
- wcscspn
- wcslen
- wcsncat
- wcsncat_s
- wcsncmp
- wcsncpy
- wcsncpy_s
- wcsnlen_s
- wcspbrk
- wcsrchr
- wcsrtombs
- wcsrtombs_s
- wcsspn
- wcsstr
- wcstod
- wcstof
- wcstoimax
- wcstok
- wcstok_s
- wcstol
- wcstold
- wcstoll
- wcstombs
- wcstombs_s
- wcstoul
- wcstoull
- wcstoumax
- wcsxfrm
- wctob
- wctomb
- wctomb_s
- wctrans
- wctype
- wmemchr
- wmemcmp
- wmemcpy
- wmemcpy_s
- wmemmove
- wmemmove_s
- wmemset
Type support
Variadic functions
- va_arg
- va_copy
- va_end
- va_list
- va_start
- Variadic functions
Versions
- C11
- C17
- C23
- C99
- Current Status

C keywords: _Decimal32

Usage

_Decimal32 type: as the declaration of the type

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