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/* automatically generated by rust-bindgen 0.69.0 */

pub const OQS_VERSION_TEXT: &[u8; 6] = b"0.9.0\0";
pub const OQS_COMPILE_BUILD_TARGET: &[u8; 30] = b"x86_64-Linux-6.2.0-1015-azure\0";
pub const OQS_BUILD_ONLY_LIB: u32 = 1;
pub const OQS_OPT_TARGET: &[u8; 5] = b"auto\0";
pub const OQS_USE_OPENSSL: u32 = 1;
pub const OQS_USE_SHA2_OPENSSL: u32 = 1;
pub const OQS_USE_ADX_INSTRUCTIONS: u32 = 1;
pub const OQS_USE_AES_INSTRUCTIONS: u32 = 1;
pub const OQS_USE_AVX_INSTRUCTIONS: u32 = 1;
pub const OQS_USE_AVX2_INSTRUCTIONS: u32 = 1;
pub const OQS_USE_AVX512_INSTRUCTIONS: u32 = 1;
pub const OQS_USE_BMI1_INSTRUCTIONS: u32 = 1;
pub const OQS_USE_BMI2_INSTRUCTIONS: u32 = 1;
pub const OQS_USE_PCLMULQDQ_INSTRUCTIONS: u32 = 1;
pub const OQS_USE_POPCNT_INSTRUCTIONS: u32 = 1;
pub const OQS_USE_SSE_INSTRUCTIONS: u32 = 1;
pub const OQS_USE_SSE2_INSTRUCTIONS: u32 = 1;
pub const OQS_USE_SSE3_INSTRUCTIONS: u32 = 1;
pub const OQS_ENABLE_SHA3_xkcp_low_avx2: u32 = 1;
pub const OQS_ENABLE_KEM_BIKE: u32 = 1;
pub const OQS_ENABLE_KEM_bike_l1: u32 = 1;
pub const OQS_ENABLE_KEM_bike_l3: u32 = 1;
pub const OQS_ENABLE_KEM_bike_l5: u32 = 1;
pub const OQS_ENABLE_KEM_FRODOKEM: u32 = 1;
pub const OQS_ENABLE_KEM_frodokem_640_aes: u32 = 1;
pub const OQS_ENABLE_KEM_frodokem_640_shake: u32 = 1;
pub const OQS_ENABLE_KEM_frodokem_976_aes: u32 = 1;
pub const OQS_ENABLE_KEM_frodokem_976_shake: u32 = 1;
pub const OQS_ENABLE_KEM_frodokem_1344_aes: u32 = 1;
pub const OQS_ENABLE_KEM_frodokem_1344_shake: u32 = 1;
pub const OQS_ENABLE_KEM_NTRUPRIME: u32 = 1;
pub const OQS_ENABLE_KEM_ntruprime_sntrup761: u32 = 1;
pub const OQS_ENABLE_KEM_ntruprime_sntrup761_avx2: u32 = 1;
pub const OQS_ENABLE_KEM_CLASSIC_MCELIECE: u32 = 1;
pub const OQS_ENABLE_KEM_classic_mceliece_348864: u32 = 1;
pub const OQS_ENABLE_KEM_classic_mceliece_348864_avx2: u32 = 1;
pub const OQS_ENABLE_KEM_classic_mceliece_348864f: u32 = 1;
pub const OQS_ENABLE_KEM_classic_mceliece_348864f_avx2: u32 = 1;
pub const OQS_ENABLE_KEM_classic_mceliece_460896: u32 = 1;
pub const OQS_ENABLE_KEM_classic_mceliece_460896_avx2: u32 = 1;
pub const OQS_ENABLE_KEM_classic_mceliece_460896f: u32 = 1;
pub const OQS_ENABLE_KEM_classic_mceliece_460896f_avx2: u32 = 1;
pub const OQS_ENABLE_KEM_classic_mceliece_6688128: u32 = 1;
pub const OQS_ENABLE_KEM_classic_mceliece_6688128_avx2: u32 = 1;
pub const OQS_ENABLE_KEM_classic_mceliece_6688128f: u32 = 1;
pub const OQS_ENABLE_KEM_classic_mceliece_6688128f_avx2: u32 = 1;
pub const OQS_ENABLE_KEM_classic_mceliece_6960119: u32 = 1;
pub const OQS_ENABLE_KEM_classic_mceliece_6960119_avx2: u32 = 1;
pub const OQS_ENABLE_KEM_classic_mceliece_6960119f: u32 = 1;
pub const OQS_ENABLE_KEM_classic_mceliece_6960119f_avx2: u32 = 1;
pub const OQS_ENABLE_KEM_classic_mceliece_8192128: u32 = 1;
pub const OQS_ENABLE_KEM_classic_mceliece_8192128_avx2: u32 = 1;
pub const OQS_ENABLE_KEM_classic_mceliece_8192128f: u32 = 1;
pub const OQS_ENABLE_KEM_classic_mceliece_8192128f_avx2: u32 = 1;
pub const OQS_ENABLE_KEM_HQC: u32 = 1;
pub const OQS_ENABLE_KEM_hqc_128: u32 = 1;
pub const OQS_ENABLE_KEM_hqc_128_avx2: u32 = 1;
pub const OQS_ENABLE_KEM_hqc_192: u32 = 1;
pub const OQS_ENABLE_KEM_hqc_192_avx2: u32 = 1;
pub const OQS_ENABLE_KEM_hqc_256: u32 = 1;
pub const OQS_ENABLE_KEM_hqc_256_avx2: u32 = 1;
pub const OQS_ENABLE_KEM_KYBER: u32 = 1;
pub const OQS_ENABLE_KEM_kyber_512: u32 = 1;
pub const OQS_ENABLE_KEM_kyber_512_avx2: u32 = 1;
pub const OQS_ENABLE_KEM_kyber_768: u32 = 1;
pub const OQS_ENABLE_KEM_kyber_768_avx2: u32 = 1;
pub const OQS_ENABLE_KEM_kyber_1024: u32 = 1;
pub const OQS_ENABLE_KEM_kyber_1024_avx2: u32 = 1;
pub const OQS_ENABLE_SIG_DILITHIUM: u32 = 1;
pub const OQS_ENABLE_SIG_dilithium_2: u32 = 1;
pub const OQS_ENABLE_SIG_dilithium_2_avx2: u32 = 1;
pub const OQS_ENABLE_SIG_dilithium_3: u32 = 1;
pub const OQS_ENABLE_SIG_dilithium_3_avx2: u32 = 1;
pub const OQS_ENABLE_SIG_dilithium_5: u32 = 1;
pub const OQS_ENABLE_SIG_dilithium_5_avx2: u32 = 1;
pub const OQS_ENABLE_SIG_FALCON: u32 = 1;
pub const OQS_ENABLE_SIG_falcon_512: u32 = 1;
pub const OQS_ENABLE_SIG_falcon_512_avx2: u32 = 1;
pub const OQS_ENABLE_SIG_falcon_1024: u32 = 1;
pub const OQS_ENABLE_SIG_falcon_1024_avx2: u32 = 1;
pub const OQS_ENABLE_SIG_SPHINCS: u32 = 1;
pub const OQS_ENABLE_SIG_sphincs_sha2_128f_simple: u32 = 1;
pub const OQS_ENABLE_SIG_sphincs_sha2_128f_simple_avx2: u32 = 1;
pub const OQS_ENABLE_SIG_sphincs_sha2_128s_simple: u32 = 1;
pub const OQS_ENABLE_SIG_sphincs_sha2_128s_simple_avx2: u32 = 1;
pub const OQS_ENABLE_SIG_sphincs_sha2_192f_simple: u32 = 1;
pub const OQS_ENABLE_SIG_sphincs_sha2_192f_simple_avx2: u32 = 1;
pub const OQS_ENABLE_SIG_sphincs_sha2_192s_simple: u32 = 1;
pub const OQS_ENABLE_SIG_sphincs_sha2_192s_simple_avx2: u32 = 1;
pub const OQS_ENABLE_SIG_sphincs_sha2_256f_simple: u32 = 1;
pub const OQS_ENABLE_SIG_sphincs_sha2_256f_simple_avx2: u32 = 1;
pub const OQS_ENABLE_SIG_sphincs_sha2_256s_simple: u32 = 1;
pub const OQS_ENABLE_SIG_sphincs_sha2_256s_simple_avx2: u32 = 1;
pub const OQS_ENABLE_SIG_sphincs_shake_128f_simple: u32 = 1;
pub const OQS_ENABLE_SIG_sphincs_shake_128f_simple_avx2: u32 = 1;
pub const OQS_ENABLE_SIG_sphincs_shake_128s_simple: u32 = 1;
pub const OQS_ENABLE_SIG_sphincs_shake_128s_simple_avx2: u32 = 1;
pub const OQS_ENABLE_SIG_sphincs_shake_192f_simple: u32 = 1;
pub const OQS_ENABLE_SIG_sphincs_shake_192f_simple_avx2: u32 = 1;
pub const OQS_ENABLE_SIG_sphincs_shake_192s_simple: u32 = 1;
pub const OQS_ENABLE_SIG_sphincs_shake_192s_simple_avx2: u32 = 1;
pub const OQS_ENABLE_SIG_sphincs_shake_256f_simple: u32 = 1;
pub const OQS_ENABLE_SIG_sphincs_shake_256f_simple_avx2: u32 = 1;
pub const OQS_ENABLE_SIG_sphincs_shake_256s_simple: u32 = 1;
pub const OQS_ENABLE_SIG_sphincs_shake_256s_simple_avx2: u32 = 1;
#[repr(i32)]
#[doc = " Represents return values from functions.\n\n Callers should compare with the symbol rather than the individual value.\n For example,\n\n     ret = OQS_KEM_encaps(...);\n     if (ret == OQS_SUCCESS) { ... }\n\n rather than\n\n     if (!OQS_KEM_encaps(...) { ... }\n"]
#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
pub enum OQS_STATUS {
    #[doc = " Used to indicate that some undefined error occurred."]
    OQS_ERROR = -1,
    #[doc = " Used to indicate successful return from function."]
    OQS_SUCCESS = 0,
    #[doc = " Used to indicate failures in external libraries (e.g., OpenSSL)."]
    OQS_EXTERNAL_LIB_ERROR_OPENSSL = 50,
}
#[repr(u32)]
#[doc = " CPU runtime detection flags"]
#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
pub enum OQS_CPU_EXT {
    OQS_CPU_EXT_INIT = 0,
    OQS_CPU_EXT_ADX = 1,
    OQS_CPU_EXT_AES = 2,
    OQS_CPU_EXT_AVX = 3,
    OQS_CPU_EXT_AVX2 = 4,
    OQS_CPU_EXT_AVX512 = 5,
    OQS_CPU_EXT_BMI1 = 6,
    OQS_CPU_EXT_BMI2 = 7,
    OQS_CPU_EXT_PCLMULQDQ = 8,
    OQS_CPU_EXT_VPCLMULQDQ = 9,
    OQS_CPU_EXT_POPCNT = 10,
    OQS_CPU_EXT_SSE = 11,
    OQS_CPU_EXT_SSE2 = 12,
    OQS_CPU_EXT_SSE3 = 13,
    OQS_CPU_EXT_ARM_AES = 14,
    OQS_CPU_EXT_ARM_SHA2 = 15,
    OQS_CPU_EXT_ARM_SHA3 = 16,
    OQS_CPU_EXT_ARM_NEON = 17,
    OQS_CPU_EXT_COUNT = 18,
}
extern "C" {
    #[doc = " Checks if the CPU supports a given extension\n\n \\return 1 if the given CPU extension is available, 0 otherwise."]
    pub fn OQS_CPU_has_extension(ext: OQS_CPU_EXT) -> ::libc::c_int;
}
extern "C" {
    #[doc = " This currently sets the values in the OQS_CPU_EXTENSIONS\n and prefetches the OpenSSL objects if necessary."]
    pub fn OQS_init();
}
extern "C" {
    #[doc = " This function frees prefetched OpenSSL objects"]
    pub fn OQS_destroy();
}
extern "C" {
    #[doc = " Return library version string."]
    pub fn OQS_version() -> *const ::libc::c_char;
}
extern "C" {
    #[doc = " Constant time comparison of byte sequences `a` and `b` of length `len`.\n Returns 0 if the byte sequences are equal or if `len`=0.\n Returns 1 otherwise.\n\n @param[in] a A byte sequence of length at least `len`.\n @param[in] b A byte sequence of length at least `len`.\n @param[in] len The number of bytes to compare."]
    pub fn OQS_MEM_secure_bcmp(
        a: *const ::libc::c_void,
        b: *const ::libc::c_void,
        len: usize,
    ) -> ::libc::c_int;
}
extern "C" {
    #[doc = " Zeros out `len` bytes of memory starting at `ptr`.\n\n Designed to be protected against optimizing compilers which try to remove\n \"unnecessary\" operations.  Should be used for all buffers containing secret\n data.\n\n @param[in] ptr The start of the memory to zero out.\n @param[in] len The number of bytes to zero out."]
    pub fn OQS_MEM_cleanse(ptr: *mut ::libc::c_void, len: usize);
}
extern "C" {
    #[doc = " Zeros out `len` bytes of memory starting at `ptr`, then frees `ptr`.\n\n Can be called with `ptr = NULL`, in which case no operation is performed.\n\n Designed to be protected against optimizing compilers which try to remove\n \"unnecessary\" operations.  Should be used for all buffers containing secret\n data.\n\n @param[in] ptr The start of the memory to zero out and free.\n @param[in] len The number of bytes to zero out."]
    pub fn OQS_MEM_secure_free(ptr: *mut ::libc::c_void, len: usize);
}
extern "C" {
    #[doc = " Frees `ptr`.\n\n Can be called with `ptr = NULL`, in which case no operation is performed.\n\n Should only be used on non-secret data.\n\n @param[in] ptr The start of the memory to free."]
    pub fn OQS_MEM_insecure_free(ptr: *mut ::libc::c_void);
}
extern "C" {
    #[doc = " Internal implementation of C11 aligned_alloc to work around compiler quirks.\n\n Allocates size bytes of uninitialized memory with a base pointer that is\n a multiple of alignment. Alignment must be a power of two and a multiple\n of sizeof(void *). Size must be a multiple of alignment."]
    pub fn OQS_MEM_aligned_alloc(alignment: usize, size: usize) -> *mut ::libc::c_void;
}
extern "C" {
    #[doc = " Free memory allocated with OQS_MEM_aligned_alloc."]
    pub fn OQS_MEM_aligned_free(ptr: *mut ::libc::c_void);
}