Diagnostics <assert.h>
NDEBUG
void assert(int expression);
Complex <complex.h>
complex imaginary I
_Complex_I _Imaginary_I
#pragma STDC CX_LIMITED_RANGE on-off-switch
[ ... ]
Character handling <ctype.h>
int isalnum(int c);
int isalpha(int c);
int iscntrl(int c);
int isdigit(int c);
int isgraph(int c);
int islower(int c);
int isprint(int c);
int ispunct(int c);
int isspace(int c);
int isupper(int c);
int isxdigit(int c);
int tolower(int c);
int toupper(int c);
Errors <errno.h>
EDOM EILSEQ ERANGE errno
Floating-point environment <fenv.h>
fenv_t FE_OVERFLOW FE_TOWARDZERO
fexcept_t FE_UNDERFLOW FE_UPWARD
FE_DIVBYZERO FE_ALL_EXCEPT FE_DFL_ENV
FE_INEXACT FE_DOWNWARD
FE_INVALID FE_TONEAREST
#pragma STDC FENV_ACCESS on-off-switch
void feclearexcept(int excepts);
void fegetexceptflag(fexcept_t *flagp,
int excepts);
void feraiseexcept(int excepts);
void fesetexceptflag(const fexcept_t *flagp, int excepts);
int fetestexcept(int excepts);
int fegetround(void);
int fesetround(int round);
void fegetenv(fenv_t *envp);
int feholdexcept(fenv_t *envp);
void fesetenv(const fenv_t *envp);
void feupdateenv(const fenv_t *envp);
Characteristics of floating types <float.h>
[ ... ]
Format conversion of integer types <inttypes.h>
[ ... ]
intmax_t strtoimax(const char * restrict nptr,
char ** restrict endptr, int base);
uintmax_t strtoumax(const char * restrict nptr,
char ** restrict endptr, int base);
intmax_t wcstoimax(const wchar_t * restrict nptr,
wchar_t ** restrict endptr, int base);
uintmax_t wcstoumax(const wchar_t * restrict nptr,
wchar_t ** restrict endptr, int base);
Alternative spellings <iso646.h>
and bitor not_eq xor
and_eq compl or xor_eq
bitand not or_eq
Sizes of integer types <limits.h>
CHAR_BIT CHAR_MAX INT_MIN ULONG_MAX
SCHAR_MIN MB_LEN_MAX INT_MAX LLONG_MIN
SCHAR_MAX SHRT_MIN UINT_MAX LLONG_MAX
UCHAR_MAX SHRT_MAX LONG_MIN ULLONG_MAX
CHAR_MIN USHRT_MAX LONG_MAX
Localization <locale.h>
struct lconv LC_ALL LC_CTYPE LC_NUMERIC
NULL LC_COLLATE LC_MONETARY LC_TIME
char *setlocale(int category, const char *locale);
struct lconv *localeconv(void);
Mathematics <math.h>
float_t INFINITY FP_SUBNORMAL FP_ILOGB0
double_t NAN FP_ZERO FP_ILOGBNAN
HUGE_VAL FP_INFINITE FP_FAST_FMA
HUGE_VALF FP_NAN FP_FAST_FMAF
HUGE_VALL FP_NORMAL FP_FAST_FMAL
#pragma STDC FP_CONTRACT on-off-switch
int fpclassify(real-floating x);
int isfinite(real-floating x);
int isinf(real-floating x);
int isnan(real-floating x);
int isnormal(real-floating x);
int signbit(real-floating x);
double acos(double x);
float acosf(float x);
long double acosl(long double x);
double asin(double x);
float asinf(float x);
long double asinl(long double x);
double atan(double x);
float atanf(float x);
long double atanl(long double x);
double atan2(double y, double x);
float atan2f(float y, float x);
long double atan2l(long double y, long double x);
double cos(double x);
float cosf(float x);
long double cosl(long double x);
double sin(double x);
float sinf(float x);
long double sinl(long double x);
double tan(double x);
float tanf(float x);
long double tanl(long double x);
double acosh(double x);
float acoshf(float x);
long double acoshl(long double x);
double asinh(double x);
float asinhf(float x);
long double asinhl(long double x);
double atanh(double x);
float atanhf(float x);
long double atanhl(long double x);
double cosh(double x);
float coshf(float x);
long double coshl(long double x);
double sinh(double x);
float sinhf(float x);
long double sinhl(long double x);
double tanh(double x);
float tanhf(float x);
long double tanhl(long double x);
double exp(double x);
float expf(float x);
long double expl(long double x);
double exp2(double x);
float exp2f(float x);
long double exp2l(long double x);
double expm1(double x);
float expm1f(float x);
long double expm1l(long double x);
double frexp(double value, int *exp);
float frexpf(float value, int *exp);
long double frexpl(long double value, int *exp);
int ilogb(double x);
int ilogbf(float x);
int ilogbl(long double x);
double ldexp(double x, int exp);
float ldexpf(float x, int exp);
long double ldexpl(long double x, int exp);
double log(double x);
float logf(float x);
long double logl(long double x);
double log10(double x);
float log10f(float x);
long double log10l(long double x);
double log1p(double x);
float log1pf(float x);
long double log1pl(long double x);
double log2(double x);
float log2f(float x);
long double log2l(long double x);
double logb(double x);
float logbf(float x);
long double logbl(long double x);
double modf(double value, double *iptr);
float modff(float value, float *iptr);
long double modfl(long double value, long double *iptr);
double scalbn(double x, int n);
float scalbnf(float x, int n);
long double scalbnl(long double x, int n);
double scalbln(double x, long int n);
float scalblnf(float x, long int n);
long double scalblnl(long double x, long int n);
double cbrt(double x);
float cbrtf(float x);
long double cbrtl(long double x);
double fabs(double x);
float fabsf(float x);
long double fabsl(long double x);
double hypot(double x, double y);
float hypotf(float x, float y);
long double hypotl(long double x, long double y);
double pow(double x, double y);
float powf(float x, float y);
long double powl(long double x, long double y);
double sqrt(double x);
float sqrtf(float x);
long double sqrtl(long double x);
double erf(double x);
float erff(float x);
long double erfl(long double x);
double erfc(double x);
float erfcf(float x);
long double erfcl(long double x);
double lgamma(double x);
float lgammaf(float x);
long double lgammal(long double x);
double tgamma(double x);
float tgammaf(float x);
long double tgammal(long double x);
double ceil(double x);
float ceilf(float x);
long double ceill(long double x);
double floor(double x);
float floorf(float x);
long double floorl(long double x);
double nearbyint(double x);
float nearbyintf(float x);
long double nearbyintl(long double x);
double rint(double x);
float rintf(float x);
long double rintl(long double x);
long int lrint(double x);
long int lrintf(float x);
long int lrintl(long double x);
long long int llrint(double x);
long long int llrintf(float x);
long long int llrintl(long double x);
double round(double x);
float roundf(float x);
long double roundl(long double x);
long int lround(double x);
long int lroundf(float x);
long int lroundl(long double x);
long long int llround(double x);
long long int llroundf(float x);
long long int llroundl(long double x);
double trunc(double x);
float truncf(float x);
long double truncl(long double x);
double fmod(double x, double y);
float fmodf(float x, float y);
long double fmodl(long double x, long double y);
double remainder(double x, double y);
float remainderf(float x, float y);
long double remainderl(long double x, long double y);
double remquo(double x, double y, int *quo);
float remquof(float x, float y, int *quo);
long double remquol(long double x, long double y,
int *quo);
double copysign(double x, double y);
float copysignf(float x, float y);
long double copysignl(long double x, long double y);
double nan(const char *tagp);
float nanf(const char *tagp);
long double nanl(const char *tagp);
double nextafter(double x, double y);
float nextafterf(float x, float y);
long double nextafterl(long double x, long double y);
double nextafterx(double x, long double y);
float nextafterxf(float x, long double y);
long double nextafterxl(long double x, long double y);
double fdim(double x, double y);
float fdimf(float x, float y);
long double fdiml(long double x, long double y);
double fmax(double x, double y);
float fmaxf(float x, float y);
long double fmaxl(long double x, long double y);
double fmin(double x, double y);
float fminf(float x, float y);
long double fminl(long double x, long double y);
double fma(double x, double y, double z);
float fmaf(float x, float y, float z);
long double fmal(long double x, long double y,
long double z);
int isgreater(real-floating x, real-floating y);
int isgreaterequal(real-floating x, real-floating y);
int isless(real-floating x, real-floating y);
int islessequal(real-floating x, real-floating y);
int islessgreater(real-floating x, real-floating y);
int isunordered(real-floating x, real-floating y);
Nonlocal jumps <setjmp.h>
jmp_buf
int setjmp(jmp_buf env);
void longjmp(jmp_buf env, int val);
Signal handling <signal.h>
sig_atomic_t SIG_IGN SIGILL SIGTERM
SIG_DFL SIGABRT SIGINT
SIG_ERR SIGFPE SIGSEGV
void (*signal(int sig, void (*func)(int)))(int);
int raise(int sig);
Variable arguments <stdarg.h>
va_list
type va_arg(va_list ap, type);
void va_copy(va_list dest, va_list src);
void va_end(va_list ap);
void va_start(va_list ap, parmN);
Boolean type and values <stdbool.h>
bool
true
false
__bool_true_false_are_defined
Common definitions <stddef.h>
ptrdiff_t size_t wchar_t NULL
offsetof(type, member-designator)
Integer types <stdint.h>
int8_t INT32_MIN UINT_FAST8_MAX
int16_t INT64_MIN UINT_FAST16_MAX
int32_t INT8_MAX UINT_FAST32_MAX
int64_t INT16_MAX UINT_FAST64_MAX
uint8_t INT32_MAX INTPTR_MIN
uint16_t INT64_MAX INTPTR_MAX
uint32_t UINT8_MAX UINTPTR_MAX
uint64_t UINT16_MAX INTMAX_MIN
int_least8_t UINT32_MAX INTMAX_MAX
int_least16_t UINT64_MAX UINTMAX_MAX
int_least32_t INT_LEAST8_MIN PTRDIFF_MIN
int_least64_t INT_LEAST16_MIN PTRDIFF_MAX
uint_least8_t INT_LEAST32_MIN SIG_ATOMIC_MIN
uint_least16_t INT_LEAST64_MIN SIG_ATOMIC_MAX
uint_least32_t INT_LEAST8_MAX SIZE_MAX
uint_least64_t INT_LEAST16_MAX WCHAR_MIN
int_fast8_t INT_LEAST32_MAX WCHAR_MAX
int_fast16_t INT_LEAST64_MAX WINT_MIN
int_fast32_t UINT_LEAST8_MAX WINT_MAX
int_fast64_t UINT_LEAST16_MAX INT8_C(value)
uint_fast8_t UINT_LEAST32_MAX INT16_C(value)
uint_fast16_t UINT_LEAST64_MAX INT32_C(value)
uint_fast32_t INT_FAST8_MIN INT64_C(value)
uint_fast64_t INT_FAST16_MIN UINT8_C(value)
intptr_t INT_FAST32_MIN UINT16_C(value)
uintptr_t INT_FAST64_MIN UINT32_C(value)
intmax_t INT_FAST8_MAX UINT64_C(value)
uintmax_t INT_FAST16_MAX INTMAX_C(value)
INT8_MIN INT_FAST32_MAX UINTMAX_C(value)
INT16_MIN INT_FAST64_MAX
Input/output <stdio.h>
size_t _IOLBF FILENAME_MAX TMP_MAX
FILE _IONBF L_tmpnam stderr
fpos_t BUFSIZ SEEK_CUR stdin
NULL EOF SEEK_END stdout
_IOFBF FOPEN_MAX SEEK_SET
int remove(const char *filename);
int rename(const char *old, const char *new);
FILE *tmpfile(void);
char *tmpnam(char *s);
int fclose(FILE *stream);
int fflush(FILE *stream);
FILE *fopen(const char * restrict filename,
const char * restrict mode);
FILE *freopen(const char * restrict filename,
const char * restrict mode,
FILE * restrict stream);
void setbuf(FILE * restrict stream,
char * restrict buf);
int setvbuf(FILE * restrict stream,
char * restrict buf,
int mode, size_t size);
int fprintf(FILE * restrict stream,
const char * restrict format, ...);
int fscanf(FILE * restrict stream,
const char * restrict format, ...);
int printf(const char * restrict format, ...);
int scanf(const char * restrict format, ...);
int snprintf(char * restrict s, size_t n,
const char * restrict format, ...);
int sprintf(char * restrict s,
const char * restrict format, ...);
int sscanf(const char * restrict s,
const char * restrict format, ...);
int vfprintf(FILE * restrict stream,
const char * restrict format,
va_list arg);
int vfscanf(FILE * restrict stream,
const char * restrict format,
va_list arg);
int vprintf(const char * restrict format,
va_list arg);
int vscanf(const char * restrict format,
va_list arg);
int vsnprintf(char * restrict s, size_t n,
const char * restrict format,
va_list arg);
int vsprintf(char * restrict s,
const char * restrict format,
va_list arg);
int vsscanf(const char * restrict s,
const char * restrict format,
va_list arg);