base64_decode `Scol 4.5 or above required`

Decode a base 64 incoded string

Prototype :

fun [S] S

S : an encoded string

Return : S the decoded string or nil if error

See also :

base64decodeP (Syspack)

base64encodeP (Syspack)

base64encodePweb (Syspack)

Example :