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wcstoul, wcstoull

De cppreference.com
< c‎ | string‎ | wide

 
 
 
Terminadas en nulo de ancho
Funciones
Original:
Functions
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De manipulación de caracteres
Original:
Character manipulation
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Las conversiones a formatos numéricos
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Conversions to numeric formats
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wcstol
wcstoll
wcstoul
wcstoull
Cadena de manipulación
Original:
String manipulation
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Matriz de manipulación
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Array manipulation
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wmemcpy
wmemmove
wmemcmp
wmemchr
wmemset
 
Defined in header <wchar.h>
unsigned long      wcstoul( const wchar_t* str, wchar_t** str_end, int base );
unsigned long long wcstoull( const wchar_t* str, wchar_t** str_end, int base );
Interpreta un valor entero sin signo en una serie amplia apuntada por str .
Original:
Interprets an unsigned integer value in a wide string pointed to by str.
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Function discards any whitespace characters until first non-whitespace character is found. Then it takes as many characters as possible to form a valid base-n (where n=base) unsigned integer number representation and converts them to an integer value. The valid unsigned integer value consists of the following parts: None

  • (opcional) prefix (0) indicating octal base (applies only when the base is 8)
  • (opcional) prefix (0x or 0X) indicating hexadecimal base (applies only when the base is 16)
  • a sequence of digits

The set of valid digits for base-2 integer is 01, for base-3 integer is 012, and so on. For bases larger than 10, valid digits include alphabetic characters, starting from Aa for base-11 integer, to Zz for base-36 integer. The case of the characters is ignored.

Las funciones establece el puntero que apunta al punto str_end al carácter ancho allá del último carácter interpretado. Si str_end es NULL, se omite .
Original:
The functions sets the pointer pointed to by str_end to point to the wide character past the last character interpreted. If str_end is NULL, it is ignored.
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Contenido

[editar] Parámetros

str -
puntero a la cadena terminada en cero de ancho para ser interpretada
Original:
pointer to the null-terminated wide string to be interpreted
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str_end -
puntero a un puntero a un carácter ancho .
Original:
pointer to a pointer to a wide character.
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base -
Base del valor entero interpretado
Original:
base of the interpreted integer value
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[editar] Valor de retorno

Valor entero correspondiente al contenido de str en caso de éxito. Si el valor convertido cae fuera del rango del tipo de cambio correspondiente, se produce error de rango y ULONG_MAX o ULLONG_MAX devuelve. Si la conversión no se puede realizar, 0 se devuelve .
Original:
Integer value corresponding to the contents of str on success. If the converted value falls out of range of corresponding return type, range error occurs and ULONG_MAX or ULLONG_MAX is returned. If no conversion can be performed, 0 is returned.
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[editar] Ejemplo

[editar] Ver también

convierte una cadena gruesa y un valor entero
Original:
converts a wide string to an integer value
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(función) [edit]
C++ documentation for wcstoul, wcstoull