pub unsafe extern "C" fn PKCS7_get0_signers(
pkcs7: *mut PKCS7,
certs: *mut stack_st_X509,
flags: c_int,
) -> *mut stack_st_X509
pub unsafe extern "C" fn PKCS7_get0_signers(
pkcs7: *mut PKCS7,
certs: *mut stack_st_X509,
flags: c_int,
) -> *mut stack_st_X509