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std.ffi

Foreign function interface — direct bindings to C standard library functions.

Functions

print_format(fmt: String) -> Int

Calls C's printf with the given format string. Returns the number of characters printed.

write_line(s: String) -> Int

Calls C's puts to write a string followed by a newline. Returns a non-negative value on success.

Examples

load std.ffi

ffi.print_format("Hello %s\n", "world")
ffi.write_line("Hello, world!")