{{fbdoc item="title" value="PEEK"}}---- Gets the value of an arbitrary type at an address in memory {{fbdoc item="syntax"}}## [[KeyPgDeclare|declare]] [[KeyPgFunction|function]] **Peek** ( [[KeyPgByval|byval]] //address// [[KeyPgAs|as]] [[KeyPgAny|any]] [[KeyPgPtr|ptr]] ) [[KeyPgByrefFunction|byref]] [[KeyPgAs|as]] [[KeyPgUbyte|ubyte]] [[KeyPgDeclare|declare]] [[KeyPgFunction|function]] **Peek** ( //datatype//, [[KeyPgByval|byval]] //address// [[KeyPgAs|as]] [[KeyPgAny|any]] [[KeyPgPtr|ptr]] ) [[KeyPgByrefFunction|byref]] [[KeyPgAs|as]] //datatype// ## {{fbdoc item="usage"}}## **Peek**( [ //datatype//, ] //address// ) ## {{fbdoc item="param"}} ##//address//## The address in memory to get the value from. ##//datatype//## The type of value to get. If omitted, ##[[KeyPgUbyte|ubyte]]## is assumed. {{fbdoc item="desc"}} This procedure returns a reference to the value in memory given by a memory address, and is equivalent to: ##*cast(ubyte ptr, //address//)## or ##*cast(//datatype// ptr, //address//)## thus this keyword can also be used to assign a value to a memory location, similarly to ##[[KeyPgPoke|Poke]]##. **Note:** When using ##**Peek**##, the //[[CompilerOptexx|-exx]]// compiler option does not add code for null-pointer checking (no nullity test on the value of ##//address//##). {{fbdoc item="ex"}} {{fbdoc item="filename" value="examples/manual/memory/peek.bas"}}%%(freebasic) Dim i As Integer, p As Integer Ptr p = @i Poke Integer, p, 420 Print Peek(Integer, p) %% will produce the output: %%420 %% {{fbdoc item="diff"}} - **##Peek##** did not support the ##//datatype//## parameter in QB, and could only return individual bytes. - **##Peek##** returns a reference in FB, so can be used to set the memory contents of the address, like with ##[[KeyPgOpValueOf|Operator * (Value of)]]##. - ##DEF SEG## isn't needed anymore because the address space is 32-bit flat in ""FreeBASIC"". {{fbdoc item="see"}} - ##[[KeyPgPoke|Poke]]## - ##[[KeyPgOpValueOf|Operator * (Value of)]]## {{fbdoc item="back" value="CatPgMemory|Memory Functions"}}