Function rb_compile_warn 

pub unsafe extern "C" fn rb_compile_warn(
    file: *const c_char,
    line: c_int,
    fmt: *const c_char,
    ...
)

Identical to rb_compile_warning, except it reports unless $VERBOSE is nil.

@param[in] file The path corresponding to Ruby level __FILE__. @param[in] line The number corresponding to Ruby level __LINE__. @param[in] fmt Format specifier string compatible with rb_sprintf.

Generated by rb-sys for Ruby mri-x86_64-linux-gnu-3.3.8