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| API | Description | Version |
|---|---|---|
| <complex.h> | Absent; __STDC_NO_COMPLEX__ is not defined | 2012 |
isblank() | Absent | 2012 |
| <fenv.h> | Absent | 2012 |
| <inttypes.h> | Absent | 2012 |
| Absent | 2012 |
#pragma FP_CONTRACT | Spelled fp_contract instead of FP_CONTRACT | 2012 |
fpclassify() | Absent, use _fpclass() instead | 2012 |
isfinite(), isinf() | Absent, use _finite() or _finitef()instead | 2012 |
isnan() | Absent, use _isnan() or _isnanf() instead | 2012 |
isnormal() | Absent, use _fpclass() instead | 2012 |
signbit() | Absent | 2012 |
acosh(), asinh(), atanh() | Absent | 2012 |
exp2(), expm1(), ilogb(), log1p(),log2() | Absent | 2012 |
scalbn() | Absent; use _scalb() (or _scalbf() on x64 targets only) instead | 2012 |
cbrt() | Absent | 2012 |
erf(), erfc(), lgamma(), tgamma() | Absent | 2012 |
nearbyint(), rint(), lrint(),round(), lround(), trunk() | Absent | 2012 |
remainder(), remquo() | Absent | 2012 |
copysign() | Absent; use _copysign() instead | 2012 |
nan(), nexttoward() | Absent | 2012 |
nextafter() | Absent; use _nextafter() or _nextafterf() instead | 2012 |
fdim(), fmax(), fmin() | Absent | 2012 |
fma() | Absent | 2012 |
isgreater(), isgreaterequal(),isless(), islessequal(), isunordered() | Absent | 2012 |
<stdalign.h> | Absent | |
va_copy() | Absent | 2012 |
<stdatomic.h> | Absent; __STDC_NO_ATOMICS__ is not defined | 2012 |
<stdbool.h> | Absent; _Bool is not supported in /TC mode, but bool is supported in /TP mode | 2012 |
max_align_t | Absent | 2012 |
| Printing format specifier type field | S is MSVC-specific; c, s, and z are not conforming [ISO/IEC 9899-2011]; F is unsupported | 2012 |
| Printing format specifier size field | I, I32 and I64 are MSVC-specific; h, w and l are not conforming [ISO/IEC 9899-2011]; hh, j, zand t unsupported | 2012 |
| Scanning format specifier type field | S is MSVC-specific; c and s are not conforming [ISO/IEC 9899-2011]; p is unsupported | 2012 |
| Scanning format specifier size field | I64 is MSVC-specific; h, l, and L prefixes are not conforming [ISO/IEC 9899-2011]; hh, j, z, andt are unsupported | 2012 |
snprintf() | Absent; use beware that _snprintf() instead 's semantics are sufficiently different that it is not advisable as a replacement | 2012 |
vfscanf(), vscanf(), vsscanf() | Absent | 2012 |
fopen(), freopen() | Mode parameter not conforming [ISO/IEC 9899-2011]; t, c, n, N, S, R, T, D and css are MSVCextensions; x is unsupported; see remarks | 2012 |
atoll() | Absent; use _atoi64() instead | 2012 |
strtof(), strtold() | Absent | 2012 |
strtoll() | Absent; use _strtoi64() instead | 2012 |
strtoull() | Absent; use _strtoui64() instead | 2012 |
aligned_alloc() | Absent; use _aligned_malloc() instead (beware, the parameter order is reversed) | 2012 |
at_quick_exit(), quick_exit() | Absent | 2012 |
_Exit() | Absent; use _exit() instead | 2012 |
<stdnoreturn.h> | Absent; use __declspec(noreturn) instead | 2012 |
<tgmath.h> | Absent | 2012 |
<threads.h> | Absent; __STDC_NO_THREADS__ is not defined | 2012 |
TIME_UTC, struct timespec,timespec_get() | Absent | 2012 |
strftime(), wcsftime() | z is not conforming [ISO/IEC 9899-2011]; C, D, e, F, g, G, h, n, r, R, t, T, u, V unsupported | 2012 |
<uchar.h> | Absent | 2012 |
vfwscanf(), vswscanf(), vwscanf() | Absent | 2012 |
fwide() | Unsupported | 2012 |
wcstof(), wcstold() | Absent | 2012 |
wcstoll() | Absent; use _wcstoi64() instead | 2012 |
wcstoull() | Absent; use _wcstoui64() instead | 2012 |
iswblank() | Absent | 2012 |
FLT_EVAL_METHOD, *_HAS_SUBNORM,*_DECIMAL_DIG, *_TRUE_MIN | Absent | 2012 |
__STDC_LIB_EXT1__ | Not defined; instead, MSVC uses __STDC_SECURE_LIB__ and __STDC_WANT_SECURE_LIB__ | 2012 |
fopen_s(), freopen_s() | Uses the same mode strings as fopen(); u prefix is unsupported; see remarks | 2012 |
vfscanf_s(), vscanf_s(),vsscanf_s() | Absent | 2012 |
constraint_handler_t,set_constraint_handler_s(), | Absent; use _invalid_parameter_handler and _set_invalid_parameter_handler()instead. Beware that the _invalid_parameter_handler signature is considerably different than that of constraint_handler_t. No replacement for abort_handler_s() orignore_handler_s() | 2012 |
bsearch_s() | Not conforming [ISO/IEC 9899-2011]; beware that the comparison function pointer's signature is different from the standard; namely that the context parameter comes first in MSVC but last in ISO C. | 2012 |
qsort_s() | Not conforming [ISO/IEC 9899-2011]; beware that the comparison function's pointer signature is different from the standard; namely that the context parameter comes first in MSVC but last in ISO C. | 2012 |
strtok_s() | Not conforming [ISO/IEC 9899-2011]; the function signature is missing the rsize_t * parameter. | 2012 |
memset_s(), strerrorlen_s() | Absent | 2012 |
gmtime_s(), localtime_s() | Not conforming [ISO/IEC 9899-2011]; the function signature has the parameters reversed and returnserrno_t instead of struct tm *. | 2012 |
snwprintf_s() | Absent; use _snwprintf_s() instead. Note that the parameters differ from the ISO C signature. | 2012 |
vfwscanf_s(), vswscanf_s(),vwscanf_s() | Absent | 2012 |
| Absent, use _vsnwprintf_s() instead. Note that the parameters differ from the ISO C signature. | 2012 |
wcstok_s() | Not conforming [ISO/IEC 9899-2011]; the function signature is missing the rsize_t * parameter. | 2012 |
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