fseek()

fseek()

function fseek(resource $stream, int $offset, int $whence = 0): int

Seeks on a file pointer.

Parameters:

• $stream (resource)
• $offset (int)
• $whence (int), default 0, optional

Returns: int

Availability

• Compiled (AOT): supported by the Elephc code generator.
• eval() (magician interpreter): supported — declarative interpreter builtin (crates/elephc-magician/src/interpreter/builtins/filesystem/fseek.rs).

No examples yet — check examples/ and showcases/ for usage patterns.

Internals

For how fseek is implemented in the compiler, see the internals page.