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The dereference operator or indirection operator, denoted by "*" (i.e. an asterisk), is a unary operator found in C-like languages that include pointer variables. It operates on a pointer variable, and returns an l-value equivalent to the value at the pointer address. This is called "dereferencing" the pointer. For example, the C code assigned 1 to variable x by using the dereference operator and a pointer to the variable x.

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  • Operador de desreferencia
  • Dereference operator
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  • The dereference operator or indirection operator, denoted by "*" (i.e. an asterisk), is a unary operator found in C-like languages that include pointer variables. It operates on a pointer variable, and returns an l-value equivalent to the value at the pointer address. This is called "dereferencing" the pointer. For example, the C code assigned 1 to variable x by using the dereference operator and a pointer to the variable x.
  • El operador de desreferencia u operador de indirección, identificado por el asterisco "*", es un operador unario usado en lenguajes de programación que incluyen variables de tipo puntero, como el lenguaje C y varios de sus descendientes. Opera sobre una variable de tipo puntero y devuelve una expresión equivalente al valor contenido en la dirección apuntada por dicho puntero. Esta operación recibe el nombre de "desreferenciar". Por ejemplo: int x = 0;int *puntero_a_x = &x; // * se usa para declarar un puntero*puntero_a_x = 1; // * es el operador de indireccion// x ahora contiene 1
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  • El operador de desreferencia u operador de indirección, identificado por el asterisco "*", es un operador unario usado en lenguajes de programación que incluyen variables de tipo puntero, como el lenguaje C y varios de sus descendientes. Opera sobre una variable de tipo puntero y devuelve una expresión equivalente al valor contenido en la dirección apuntada por dicho puntero. Esta operación recibe el nombre de "desreferenciar". Por ejemplo: int x = 0;int *puntero_a_x = &x; // * se usa para declarar un puntero*puntero_a_x = 1; // * es el operador de indireccion// x ahora contiene 1 El código anterior asigna el valor 1 a la variable x usando el operador de desreferencia sobre un puntero a dicha variable.
  • The dereference operator or indirection operator, denoted by "*" (i.e. an asterisk), is a unary operator found in C-like languages that include pointer variables. It operates on a pointer variable, and returns an l-value equivalent to the value at the pointer address. This is called "dereferencing" the pointer. For example, the C code int x; int *p; // * is used in the declaration: // p is a pointer to an integer, since (after dereferencing), // *p is an integer x = 0; // now x == 0 p = &x; // & takes the address of x // now p == &x, so *p == x *p = 1; // equivalent to x = 1, since *p == x // now *p == 1 and *p == x, so x == 1 assigned 1 to variable x by using the dereference operator and a pointer to the variable x.
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