Standard library header <stdbit.h> (C23)
From cppreference.net
Dieser Header ist Teil der numerischen Bibliothek, insbesondere stellt er Makros und Funktionen zur Verfügung, um mit der Byte-Reihenfolge und Byte- und Bit-Darstellung von C-Objekten zu arbeiten.
Funktionen |
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(C23)
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zählt die Anzahl der aufeinanderfolgenden
0
Bits, beginnend vom höchstwertigen Bit
(typgenerische Funktionsmakro) |
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(C23)
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zählt die Anzahl der aufeinanderfolgenden
1
Bits, beginnend vom höchstwertigen Bit
(typgenerische Funktionsmakro) |
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(C23)
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zählt die Anzahl aufeinanderfolgender
0
Bits, beginnend vom niedrigstwertigen Bit
(typgenerisches Funktionsmakro) |
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(C23)
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zählt die Anzahl aufeinanderfolgender
1
Bits, beginnend vom niedrigstwertigen Bit
(typgenerisches Funktionsmakro) |
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(C23)
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findet die erste Position des
0
Bits, beginnend vom höchstwertigen Bit
(typgenerisches Funktionsmakro) |
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(C23)
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findet die erste Position des
1
Bits, beginnend vom höchstwertigen Bit
(typgenerisches Funktionsmakro) |
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(C23)
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findet die erste Position des
0
Bits, beginnend vom niedrigstwertigen Bit
(typgenerische Funktionsmakro) |
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(C23)
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findet die erste Position des
1
Bits, beginnend vom niedrigstwertigen Bit
(typgenerisches Funktionsmakro) |
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(C23)
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zählt die Anzahl der
0
Bits in einer vorzeichenlosen Ganzzahl
(typgenerische Funktionsmakro) |
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(C23)
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zählt die Anzahl der
1
Bits in einer vorzeichenlosen Ganzzahl
(typgenerisches Funktionsmakro) |
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(C23)
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prüft, ob eine Zahl eine ganzzahlige Potenz von
2
ist
(typgenerisches Funktionsmakro) |
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(C23)
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findet die kleinste Anzahl an Bits, die benötigt wird, um den gegebenen Wert darzustellen
(typgenerisches Funktionsmakro) |
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(C23)
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findet die größte ganzzahlige Potenz von
2
die nicht größer als der gegebene Wert ist
(typgenerische Funktionsmakro) |
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(C23)
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findet die kleinste ganzzahlige Zweierpotenz
2
nicht kleiner als den gegebenen Wert
(typgenerische Funktionsmakro) |
Makro-Konstanten |
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gibt die Bytereihenfolge der skalaren Typen an
(Makrokonstante) |
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Übersicht
#define __STDC_VERSION_STDBIT_H__ 202311L #define __STDC_ENDIAN_LITTLE__ /* implementierungsdefiniert */ #define __STDC_ENDIAN_BIG__ /* implementierungsdefiniert */ #define __STDC_ENDIAN_NATIVE__ /* implementierungsdefiniert */ unsigned int stdc_leading_zeros_uc(unsigned char value) [[unsequenced]]; unsigned int stdc_leading_zeros_us(unsigned short value) [[unsequenced]]; unsigned int stdc_leading_zeros_ui(unsigned int value) [[unsequenced]]; unsigned int stdc_leading_zeros_ul(unsigned long int value) [[unsequenced]]; unsigned int stdc_leading_zeros_ull(unsigned long long int value) [[unsequenced]]; /*generischer_rückgabetyp*/ stdc_leading_zeros(/*generic_value_type*/ value) [[unsequenced]]; unsigned int stdc_leading_ones_uc(unsigned char value) [[unsequenced]]; unsigned int stdc_leading_ones_us(unsigned short value) [[unsequenced]]; unsigned int stdc_leading_ones_ui(unsigned int value) [[unsequenced]]; unsigned int stdc_leading_ones_ul(unsigned long int value) [[unsequenced]]; unsigned int stdc_leading_ones_ull(unsigned long long int value) [[unsequenced]]; /*generischer_rückgabetyp*/ stdc_leading_ones(/*generic_value_type*/ value) [[unsequenced]]; unsigned int stdc_trailing_zeros_uc(unsigned char value) [[unsequenced] *Erklärung: Der Text innerhalb der HTML-Tags wurde nicht übersetzt, da es sich um Formatierungselemente handelt. Das schließende Klammerzeichen "]" wurde beibehalten, da es Teil der Code-Formatierung ist und keine übersetzbare Inhalte enthält.*]; unsigned int stdc_trailing_zeros_us(unsigned short value) [[unsequenced]]; unsigned int stdc_trailing_zeros_ui(unsigned int value) [[unsequenced]]; unsigned int stdc_trailing_zeros_ul(unsigned long int value) [[unsequenced]]; unsigned int stdc_trailing_zeros_ull(unsigned long long int value) [[unsequenced]]; /*generischer_rückgabetyp*/ stdc_trailing_zeros(/*generic_value_type*/ value) [[unsequenced]]; unsigned int stdc_trailing_ones_uc(unsigned char value) [[unsequenced]]; unsigned int stdc_trailing_ones_us(unsigned short value) [[unsequenced]]; unsigned int stdc_trailing_ones_ui(unsigned int value) [[unsequenced]]; unsigned int stdc_trailing_ones_ul(unsigned long int value) [[unsequenced]]; unsigned int stdc_trailing_ones_ull(unsigned long long int value) [[unsequenced]]; /*generischer_rückgabetyp*/ stdc_trailing_ones(/*generic_value_type*/ value) [[unsequenced]]; unsigned int stdc_first_leading_zero_uc(unsigned char value) [[unsequenced]]; unsigned int stdc_first_leading_zero_us(unsigned short value) [[unsequenced]]; unsigned int stdc_first_leading_zero_ui(unsigned int value) [[unsequenced]]; unsigned int stdc_first_leading_zero_ul(unsigned long int value) [[unsequenced]]; unsigned int stdc_first_leading_zero_ull(unsigned long long int value) [[unsequenced]]; /*generischer_rückgabetyp*/ stdc_first_leading_zero(/*generic_value_type*/ value) [[unsequenced]]; unsigned int stdc_first_leading_one_uc(unsigned char value) [[unsequenced]]; unsigned int stdc_first_leading_one_us(unsigned short value) [[unsequenced]]; unsigned int stdc_first_leading_one_ui(unsigned int value) [[unsequenced]]; unsigned int stdc_first_leading_one_ul(unsigned long int value) [[unsequenced]]; unsigned int stdc_first_leading_one_ull(unsigned long long int value) [[unsequenced]]; /*generischer_rückgabetyp*/ stdc_first_leading_one(/*generic_value_type*/ value) [[unsequenced]]; unsigned int stdc_first_trailing_zero_uc(unsigned char value) [[unsequenced]]; unsigned int stdc_first_trailing_zero_us(unsigned short value) [[unsequenced]]; unsigned int stdc_first_trailing_zero_ui(unsigned int value) [[unsequenced]]; unsigned int stdc_first_trailing_zero_ul(unsigned long int value) [[unsequenced]]; unsigned int stdc_first_trailing_zero_ull(unsigned long long int value) [[unsequenced]]; /*generischer_rückgabetyp*/ stdc_first_trailing_zero(/*generic_value_type*/ value) [[unsequenced]]; unsigned int stdc_first_trailing_one_uc(unsigned char value) [[unsequenced]]; unsigned int stdc_first_trailing_one_us(unsigned short value) [[unsequenced]]; unsigned int stdc_first_trailing_one_ui(unsigned int value) [[unsequenced]]; unsigned int stdc_first_trailing_one_ul(unsigned long int value) [[unsequenced]]; unsigned int stdc_first_trailing_one_ull(unsigned long long int value) [[unsequenced]]; /*generischer_rückgabetyp*/ stdc_first_trailing_one(/*generic_value_type*/ value) [[unsequenced]]; unsigned int stdc_count_zeros_uc(unsigned char value) [[unsequenced]]; unsigned int stdc_count_zeros_us(unsigned short value) [[unsequenced]]; unsigned int stdc_count_zeros_ui(unsigned int value) [[unsequenced]]; unsigned int stdc_count_zeros_ul(unsigned long int value) [[unsequenced]]; unsigned int stdc_count_zeros_ull(unsigned long long int value) [[unsequenced]]; /*generischer_rückgabetyp*/ stdc_count_zeros(/*generic_value_type*/ value) [[unsequenced]]; unsigned int stdc_count_ones_uc(unsigned char value) [[unsequenced]]; unsigned int stdc_count_ones_us(unsigned short value) [[unsequenced]]; unsigned int stdc_count_ones_ui(unsigned int value) [[unsequenced]]; unsigned int stdc_count_ones_ul(unsigned long int value) [[unsequenced]]; unsigned int stdc_count_ones_ull(unsigned long long int value) [[unsequenced]]; /*generischer_rückgabetyp*/ stdc_count_ones(/*generic_value_type*/ value) [[unsequenced]]; bool stdc_has_single_bit_uc(unsigned char value) [[unsequenced]]; bool stdc_has_single_bit_us(unsigned short value) [[unsequenced]]; bool stdc_has_single_bit_ui(unsigned int value) [[unsequenced]]; bool stdc_has_single_bit_ul(unsigned long int value) [[unsequenced]]; bool stdc_has_single_bit_ull(unsigned long long int value) [[unsequenced]]; bool stdc_has_single_bit(/*generic_value_type*/ value) [[unsequenced]]; unsigned int stdc_bit_width_uc(unsigned char value) [[unsequenced]]; unsigned int stdc_bit_width_us(unsigned short value) [[unsequenced]]; unsigned int stdc_bit_width_ui(unsigned int value) [[unsequenced]]; unsigned int stdc_bit_width_ul(unsigned long int value) [[unsequenced]]; unsigned int stdc_bit_width_ull(unsigned long long int value) [[unsequenced]]; /*generischer_rückgabetyp*/ stdc_bit_width(/*generic_value_type*/ value) [[unsequenced]]; unsigned char stdc_bit_floor_uc(unsigned char value) [[unsequenced]]; unsigned short stdc_bit_floor_us(unsigned short value) [[unsequenced]]; unsigned int stdc_bit_floor_ui(unsigned int value) [[unsequenced]]; unsigned long int stdc_bit_floor_ul(unsigned long int value) [[unsequenced]]; unsigned long long int stdc_bit_floor_ull(unsigned long long int value) [[unsequenced]]; /*generic_value_type*/ stdc_bit_floor(/*generic_value_type*/ value) [[unsequenced]]; unsigned char stdc_bit_ceil_uc(unsigned char value) [[unsequenced]]; unsigned short stdc_bit_ceil_us(unsigned short value) [[unsequenced]]; unsigned int stdc_bit_ceil_ui(unsigned int value) [[unsequenced]]; unsigned long int stdc_bit_ceil_ul(unsigned long int value) [[unsequenced]]; unsigned long long int stdc_bit_ceil_ull(unsigned long long int value) [[unsequenced]]; /*generic_value_type*/ stdc_bit_ceil(/*generic_value_type*/ value) [[unsequenced]]; unsigned char stdc_rotate_left_uc(unsigned char value, unsigned int count); unsigned short stdc_rotate_left_us(unsigned short value, unsigned int count); unsigned int stdc_rotate_left_ui(unsigned int value, unsigned int count); unsigned long stdc_rotate_left_ul(unsigned long value, unsigned int count); unsigned long long stdc_rotate_left_ull(unsigned long long value, unsigned int count); /*generic_value_type*/ stdc_rotate_left(/*generic_value_type*/ value, generic_count_type count); unsigned char stdc_rotate_right_uc(unsigned char value, unsigned int count); unsigned short stdc_rotate_right_us(unsigned short value, unsigned int count); unsigned int stdc_rotate_right_ui(unsigned int value, unsigned int count); unsigned long stdc_rotate_right_ul(unsigned long value, unsigned int count); unsigned long long stdc_rotate_right_ull(unsigned long long value, unsigned int count); /*generic_value_type*/ stdc_rotate_right(/*generic_value_type*/ value, generic_count_type count);