pub unsafe extern "C" fn PKCS7_get0_signers(
p7: *mut pkcs7_st,
certs: *mut stack_st_X509,
flags: i32,
) -> *mut stack_st_X509
pub unsafe extern "C" fn PKCS7_get0_signers(
p7: *mut pkcs7_st,
certs: *mut stack_st_X509,
flags: i32,
) -> *mut stack_st_X509