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In computer programming, the dereference operator or indirection operator, sometimes denoted by "*
" (i.e. an asterisk), is a unary operator (i.e. one with a single operand) 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
.