/* automatically generated by rust-bindgen 0.61.0 */

use crate::{ca_access_rights, epicsThreadOSD};

pub const MAX_STRING_SIZE: i32 = 40;
pub const CA_K_INFO: i32 = 3;
pub const CA_K_ERROR: i32 = 2;
pub const CA_K_SUCCESS: i32 = 1;
pub const CA_K_WARNING: i32 = 0;
pub const CA_K_SEVERE: i32 = 4;
pub const CA_K_FATAL: i32 = 6;
pub const CA_M_MSG_NO: i32 = 65528;
pub const CA_M_SEVERITY: i32 = 7;
pub const CA_M_LEVEL: i32 = 3;
pub const CA_M_SUCCESS: i32 = 1;
pub const CA_M_ERROR: i32 = 2;
pub const CA_M_SEVERE: i32 = 4;
pub const CA_S_MSG_NO: i32 = 13;
pub const CA_S_SEVERITY: i32 = 3;
pub const CA_V_MSG_NO: i32 = 3;
pub const CA_V_SEVERITY: i32 = 0;
pub const CA_V_SUCCESS: i32 = 0;
pub const MAX_UNITS_SIZE: i32 = 8;
pub const MAX_ENUM_STRING_SIZE: i32 = 26;
pub const MAX_ENUM_STATES: i32 = 16;
pub const DBF_STRING: i32 = 0;
pub const DBF_INT: i32 = 1;
pub const DBF_SHORT: i32 = 1;
pub const DBF_FLOAT: i32 = 2;
pub const DBF_ENUM: i32 = 3;
pub const DBF_CHAR: i32 = 4;
pub const DBF_LONG: i32 = 5;
pub const DBF_DOUBLE: i32 = 6;
pub const DBF_NO_ACCESS: i32 = 7;
pub const LAST_TYPE: i32 = 6;
pub const DBR_STRING: i32 = 0;
pub const DBR_INT: i32 = 1;
pub const DBR_SHORT: i32 = 1;
pub const DBR_FLOAT: i32 = 2;
pub const DBR_ENUM: i32 = 3;
pub const DBR_CHAR: i32 = 4;
pub const DBR_LONG: i32 = 5;
pub const DBR_DOUBLE: i32 = 6;
pub const DBR_STS_STRING: i32 = 7;
pub const DBR_STS_SHORT: i32 = 8;
pub const DBR_STS_INT: i32 = 8;
pub const DBR_STS_FLOAT: i32 = 9;
pub const DBR_STS_ENUM: i32 = 10;
pub const DBR_STS_CHAR: i32 = 11;
pub const DBR_STS_LONG: i32 = 12;
pub const DBR_STS_DOUBLE: i32 = 13;
pub const DBR_TIME_STRING: i32 = 14;
pub const DBR_TIME_INT: i32 = 15;
pub const DBR_TIME_SHORT: i32 = 15;
pub const DBR_TIME_FLOAT: i32 = 16;
pub const DBR_TIME_ENUM: i32 = 17;
pub const DBR_TIME_CHAR: i32 = 18;
pub const DBR_TIME_LONG: i32 = 19;
pub const DBR_TIME_DOUBLE: i32 = 20;
pub const DBR_GR_STRING: i32 = 21;
pub const DBR_GR_SHORT: i32 = 22;
pub const DBR_GR_INT: i32 = 22;
pub const DBR_GR_FLOAT: i32 = 23;
pub const DBR_GR_ENUM: i32 = 24;
pub const DBR_GR_CHAR: i32 = 25;
pub const DBR_GR_LONG: i32 = 26;
pub const DBR_GR_DOUBLE: i32 = 27;
pub const DBR_CTRL_STRING: i32 = 28;
pub const DBR_CTRL_SHORT: i32 = 29;
pub const DBR_CTRL_INT: i32 = 29;
pub const DBR_CTRL_FLOAT: i32 = 30;
pub const DBR_CTRL_ENUM: i32 = 31;
pub const DBR_CTRL_CHAR: i32 = 32;
pub const DBR_CTRL_LONG: i32 = 33;
pub const DBR_CTRL_DOUBLE: i32 = 34;
pub const DBR_PUT_ACKT: i32 = 35;
pub const DBR_PUT_ACKS: i32 = 36;
pub const DBR_STSACK_STRING: i32 = 37;
pub const DBR_CLASS_NAME: i32 = 38;
pub const LAST_BUFFER_TYPE: i32 = 38;
pub const db_strval_dim: i32 = 40;
pub const db_units_dim: i32 = 8;
pub const db_desc_dim: i32 = 24;
pub const db_name_dim: i32 = 36;
pub const db_state_dim: i32 = 16;
pub const db_state_text_dim: i32 = 26;
pub const DBE_VALUE: i32 = 1;
pub const DBE_ARCHIVE: i32 = 2;
pub const DBE_LOG: i32 = 2;
pub const DBE_ALARM: i32 = 4;
pub const DBE_PROPERTY: i32 = 8;
pub const CA_OP_GET: i32 = 0;
pub const CA_OP_PUT: i32 = 1;
pub const CA_OP_CREATE_CHANNEL: i32 = 2;
pub const CA_OP_ADD_EVENT: i32 = 3;
pub const CA_OP_CLEAR_EVENT: i32 = 4;
pub const CA_OP_OTHER: i32 = 5;
pub const CA_OP_CONN_UP: i32 = 6;
pub const CA_OP_CONN_DOWN: i32 = 7;
pub const CA_OP_SEARCH: i32 = 2;
pub const TYPENOTCONN: i32 = -1;
pub const CA_PRIORITY_MAX: i32 = 99;
pub const CA_PRIORITY_MIN: i32 = 0;
pub const CA_PRIORITY_DEFAULT: i32 = 0;
pub const CA_PRIORITY_DB_LINKS: i32 = 80;
pub const CA_PRIORITY_ARCHIVE: i32 = 20;
pub const CA_PRIORITY_OPI: i32 = 0;
pub const NO_ALARM: i32 = 0;
pub type epicsThreadId = *mut epicsThreadOSD;
#[repr(u32)]
#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
pub enum epicsBoolean {
    epicsFalse = 0,
    epicsTrue = 1,
}
pub type epicsInt8 = libc::c_schar;
pub type epicsUInt8 = libc::c_uchar;
pub type epicsInt16 = libc::c_short;
pub type epicsUInt16 = libc::c_ushort;
pub type epicsInt32 = libc::c_int;
pub type epicsUInt32 = libc::c_uint;
pub type epicsInt64 = libc::c_longlong;
pub type epicsUInt64 = libc::c_ulonglong;
pub type epicsEnum16 = epicsUInt16;
pub type epicsFloat32 = f32;
pub type epicsFloat64 = f64;
pub type epicsStatus = epicsInt32;
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct epicsString {
    pub length: libc::c_uint,
    pub pString: *mut libc::c_char,
}
pub type epicsOldString = [libc::c_char; 40usize];
#[repr(C)]
#[derive(Copy, Clone)]
pub union epics_any {
    pub int8: epicsInt8,
    pub uInt8: epicsUInt8,
    pub int16: epicsInt16,
    pub uInt16: epicsUInt16,
    pub enum16: epicsEnum16,
    pub int32: epicsInt32,
    pub uInt32: epicsUInt32,
    pub int64: epicsInt64,
    pub uInt64: epicsUInt64,
    pub float32: epicsFloat32,
    pub float64: epicsFloat64,
    pub string: epicsString,
}
pub type epicsAny = epics_any;
#[repr(u32)]
#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
pub enum epicsType {
    epicsInt8T = 0,
    epicsUInt8T = 1,
    epicsInt16T = 2,
    epicsUInt16T = 3,
    epicsEnum16T = 4,
    epicsInt32T = 5,
    epicsUInt32T = 6,
    epicsFloat32T = 7,
    epicsFloat64T = 8,
    epicsStringT = 9,
    epicsOldStringT = 10,
}
#[repr(u32)]
#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
pub enum epicsTypeClass {
    epicsIntC = 0,
    epicsUIntC = 1,
    epicsEnumC = 2,
    epicsFloatC = 3,
    epicsStringC = 4,
    epicsOldStringC = 5,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct epicsTimeStamp {
    pub secPastEpoch: epicsUInt32,
    pub nsec: epicsUInt32,
}
pub type dbr_string_t = epicsOldString;
pub type dbr_char_t = epicsUInt8;
pub type dbr_short_t = epicsInt16;
pub type dbr_ushort_t = epicsUInt16;
pub type dbr_int_t = epicsInt16;
pub type dbr_enum_t = epicsUInt16;
pub type dbr_long_t = epicsInt32;
pub type dbr_ulong_t = epicsUInt32;
pub type dbr_float_t = epicsFloat32;
pub type dbr_double_t = epicsFloat64;
pub type dbr_put_ackt_t = epicsUInt16;
pub type dbr_put_acks_t = epicsUInt16;
pub type dbr_stsack_string_t = epicsOldString;
pub type dbr_class_name_t = epicsOldString;
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct dbr_sts_string {
    pub status: dbr_short_t,
    pub severity: dbr_short_t,
    pub value: dbr_string_t,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct dbr_stsack_string {
    pub status: dbr_ushort_t,
    pub severity: dbr_ushort_t,
    pub ackt: dbr_ushort_t,
    pub acks: dbr_ushort_t,
    pub value: dbr_string_t,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct dbr_sts_int {
    pub status: dbr_short_t,
    pub severity: dbr_short_t,
    pub value: dbr_short_t,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct dbr_sts_short {
    pub status: dbr_short_t,
    pub severity: dbr_short_t,
    pub value: dbr_short_t,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct dbr_sts_float {
    pub status: dbr_short_t,
    pub severity: dbr_short_t,
    pub value: dbr_float_t,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct dbr_sts_enum {
    pub status: dbr_short_t,
    pub severity: dbr_short_t,
    pub value: dbr_enum_t,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct dbr_sts_char {
    pub status: dbr_short_t,
    pub severity: dbr_short_t,
    pub RISC_pad: dbr_char_t,
    pub value: dbr_char_t,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct dbr_sts_long {
    pub status: dbr_short_t,
    pub severity: dbr_short_t,
    pub value: dbr_long_t,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct dbr_sts_double {
    pub status: dbr_short_t,
    pub severity: dbr_short_t,
    pub RISC_pad: dbr_long_t,
    pub value: dbr_double_t,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct dbr_time_string {
    pub status: dbr_short_t,
    pub severity: dbr_short_t,
    pub stamp: epicsTimeStamp,
    pub value: dbr_string_t,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct dbr_time_short {
    pub status: dbr_short_t,
    pub severity: dbr_short_t,
    pub stamp: epicsTimeStamp,
    pub RISC_pad: dbr_short_t,
    pub value: dbr_short_t,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct dbr_time_float {
    pub status: dbr_short_t,
    pub severity: dbr_short_t,
    pub stamp: epicsTimeStamp,
    pub value: dbr_float_t,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct dbr_time_enum {
    pub status: dbr_short_t,
    pub severity: dbr_short_t,
    pub stamp: epicsTimeStamp,
    pub RISC_pad: dbr_short_t,
    pub value: dbr_enum_t,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct dbr_time_char {
    pub status: dbr_short_t,
    pub severity: dbr_short_t,
    pub stamp: epicsTimeStamp,
    pub RISC_pad0: dbr_short_t,
    pub RISC_pad1: dbr_char_t,
    pub value: dbr_char_t,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct dbr_time_long {
    pub status: dbr_short_t,
    pub severity: dbr_short_t,
    pub stamp: epicsTimeStamp,
    pub value: dbr_long_t,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct dbr_time_double {
    pub status: dbr_short_t,
    pub severity: dbr_short_t,
    pub stamp: epicsTimeStamp,
    pub RISC_pad: dbr_long_t,
    pub value: dbr_double_t,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct dbr_gr_int {
    pub status: dbr_short_t,
    pub severity: dbr_short_t,
    pub units: [libc::c_char; 8usize],
    pub upper_disp_limit: dbr_short_t,
    pub lower_disp_limit: dbr_short_t,
    pub upper_alarm_limit: dbr_short_t,
    pub upper_warning_limit: dbr_short_t,
    pub lower_warning_limit: dbr_short_t,
    pub lower_alarm_limit: dbr_short_t,
    pub value: dbr_short_t,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct dbr_gr_short {
    pub status: dbr_short_t,
    pub severity: dbr_short_t,
    pub units: [libc::c_char; 8usize],
    pub upper_disp_limit: dbr_short_t,
    pub lower_disp_limit: dbr_short_t,
    pub upper_alarm_limit: dbr_short_t,
    pub upper_warning_limit: dbr_short_t,
    pub lower_warning_limit: dbr_short_t,
    pub lower_alarm_limit: dbr_short_t,
    pub value: dbr_short_t,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct dbr_gr_float {
    pub status: dbr_short_t,
    pub severity: dbr_short_t,
    pub precision: dbr_short_t,
    pub RISC_pad0: dbr_short_t,
    pub units: [libc::c_char; 8usize],
    pub upper_disp_limit: dbr_float_t,
    pub lower_disp_limit: dbr_float_t,
    pub upper_alarm_limit: dbr_float_t,
    pub upper_warning_limit: dbr_float_t,
    pub lower_warning_limit: dbr_float_t,
    pub lower_alarm_limit: dbr_float_t,
    pub value: dbr_float_t,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct dbr_gr_enum {
    pub status: dbr_short_t,
    pub severity: dbr_short_t,
    pub no_str: dbr_short_t,
    pub strs: [[libc::c_char; 26usize]; 16usize],
    pub value: dbr_enum_t,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct dbr_gr_char {
    pub status: dbr_short_t,
    pub severity: dbr_short_t,
    pub units: [libc::c_char; 8usize],
    pub upper_disp_limit: dbr_char_t,
    pub lower_disp_limit: dbr_char_t,
    pub upper_alarm_limit: dbr_char_t,
    pub upper_warning_limit: dbr_char_t,
    pub lower_warning_limit: dbr_char_t,
    pub lower_alarm_limit: dbr_char_t,
    pub RISC_pad: dbr_char_t,
    pub value: dbr_char_t,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct dbr_gr_long {
    pub status: dbr_short_t,
    pub severity: dbr_short_t,
    pub units: [libc::c_char; 8usize],
    pub upper_disp_limit: dbr_long_t,
    pub lower_disp_limit: dbr_long_t,
    pub upper_alarm_limit: dbr_long_t,
    pub upper_warning_limit: dbr_long_t,
    pub lower_warning_limit: dbr_long_t,
    pub lower_alarm_limit: dbr_long_t,
    pub value: dbr_long_t,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct dbr_gr_double {
    pub status: dbr_short_t,
    pub severity: dbr_short_t,
    pub precision: dbr_short_t,
    pub RISC_pad0: dbr_short_t,
    pub units: [libc::c_char; 8usize],
    pub upper_disp_limit: dbr_double_t,
    pub lower_disp_limit: dbr_double_t,
    pub upper_alarm_limit: dbr_double_t,
    pub upper_warning_limit: dbr_double_t,
    pub lower_warning_limit: dbr_double_t,
    pub lower_alarm_limit: dbr_double_t,
    pub value: dbr_double_t,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct dbr_ctrl_int {
    pub status: dbr_short_t,
    pub severity: dbr_short_t,
    pub units: [libc::c_char; 8usize],
    pub upper_disp_limit: dbr_short_t,
    pub lower_disp_limit: dbr_short_t,
    pub upper_alarm_limit: dbr_short_t,
    pub upper_warning_limit: dbr_short_t,
    pub lower_warning_limit: dbr_short_t,
    pub lower_alarm_limit: dbr_short_t,
    pub upper_ctrl_limit: dbr_short_t,
    pub lower_ctrl_limit: dbr_short_t,
    pub value: dbr_short_t,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct dbr_ctrl_short {
    pub status: dbr_short_t,
    pub severity: dbr_short_t,
    pub units: [libc::c_char; 8usize],
    pub upper_disp_limit: dbr_short_t,
    pub lower_disp_limit: dbr_short_t,
    pub upper_alarm_limit: dbr_short_t,
    pub upper_warning_limit: dbr_short_t,
    pub lower_warning_limit: dbr_short_t,
    pub lower_alarm_limit: dbr_short_t,
    pub upper_ctrl_limit: dbr_short_t,
    pub lower_ctrl_limit: dbr_short_t,
    pub value: dbr_short_t,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct dbr_ctrl_float {
    pub status: dbr_short_t,
    pub severity: dbr_short_t,
    pub precision: dbr_short_t,
    pub RISC_pad: dbr_short_t,
    pub units: [libc::c_char; 8usize],
    pub upper_disp_limit: dbr_float_t,
    pub lower_disp_limit: dbr_float_t,
    pub upper_alarm_limit: dbr_float_t,
    pub upper_warning_limit: dbr_float_t,
    pub lower_warning_limit: dbr_float_t,
    pub lower_alarm_limit: dbr_float_t,
    pub upper_ctrl_limit: dbr_float_t,
    pub lower_ctrl_limit: dbr_float_t,
    pub value: dbr_float_t,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct dbr_ctrl_enum {
    pub status: dbr_short_t,
    pub severity: dbr_short_t,
    pub no_str: dbr_short_t,
    pub strs: [[libc::c_char; 26usize]; 16usize],
    pub value: dbr_enum_t,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct dbr_ctrl_char {
    pub status: dbr_short_t,
    pub severity: dbr_short_t,
    pub units: [libc::c_char; 8usize],
    pub upper_disp_limit: dbr_char_t,
    pub lower_disp_limit: dbr_char_t,
    pub upper_alarm_limit: dbr_char_t,
    pub upper_warning_limit: dbr_char_t,
    pub lower_warning_limit: dbr_char_t,
    pub lower_alarm_limit: dbr_char_t,
    pub upper_ctrl_limit: dbr_char_t,
    pub lower_ctrl_limit: dbr_char_t,
    pub RISC_pad: dbr_char_t,
    pub value: dbr_char_t,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct dbr_ctrl_long {
    pub status: dbr_short_t,
    pub severity: dbr_short_t,
    pub units: [libc::c_char; 8usize],
    pub upper_disp_limit: dbr_long_t,
    pub lower_disp_limit: dbr_long_t,
    pub upper_alarm_limit: dbr_long_t,
    pub upper_warning_limit: dbr_long_t,
    pub lower_warning_limit: dbr_long_t,
    pub lower_alarm_limit: dbr_long_t,
    pub upper_ctrl_limit: dbr_long_t,
    pub lower_ctrl_limit: dbr_long_t,
    pub value: dbr_long_t,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct dbr_ctrl_double {
    pub status: dbr_short_t,
    pub severity: dbr_short_t,
    pub precision: dbr_short_t,
    pub RISC_pad0: dbr_short_t,
    pub units: [libc::c_char; 8usize],
    pub upper_disp_limit: dbr_double_t,
    pub lower_disp_limit: dbr_double_t,
    pub upper_alarm_limit: dbr_double_t,
    pub upper_warning_limit: dbr_double_t,
    pub lower_warning_limit: dbr_double_t,
    pub lower_alarm_limit: dbr_double_t,
    pub upper_ctrl_limit: dbr_double_t,
    pub lower_ctrl_limit: dbr_double_t,
    pub value: dbr_double_t,
}
#[repr(u32)]
#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
pub enum dbr_value_class {
    dbr_class_int = 0,
    dbr_class_float = 1,
    dbr_class_string = 2,
    dbr_class_max = 3,
}
#[repr(C)]
#[derive(Copy, Clone)]
pub union db_access_val {
    pub strval: dbr_string_t,
    pub shrtval: dbr_short_t,
    pub intval: dbr_short_t,
    pub fltval: dbr_float_t,
    pub enmval: dbr_enum_t,
    pub charval: dbr_char_t,
    pub longval: dbr_long_t,
    pub doubleval: dbr_double_t,
    pub sstrval: dbr_sts_string,
    pub sshrtval: dbr_sts_short,
    pub sfltval: dbr_sts_float,
    pub senmval: dbr_sts_enum,
    pub schrval: dbr_sts_char,
    pub slngval: dbr_sts_long,
    pub sdblval: dbr_sts_double,
    pub tstrval: dbr_time_string,
    pub tshrtval: dbr_time_short,
    pub tfltval: dbr_time_float,
    pub tenmval: dbr_time_enum,
    pub tchrval: dbr_time_char,
    pub tlngval: dbr_time_long,
    pub tdblval: dbr_time_double,
    pub gstrval: dbr_sts_string,
    pub gshrtval: dbr_gr_short,
    pub gfltval: dbr_gr_float,
    pub genmval: dbr_gr_enum,
    pub gchrval: dbr_gr_char,
    pub glngval: dbr_gr_long,
    pub gdblval: dbr_gr_double,
    pub cstrval: dbr_sts_string,
    pub cshrtval: dbr_ctrl_short,
    pub cfltval: dbr_ctrl_float,
    pub cenmval: dbr_ctrl_enum,
    pub cchrval: dbr_ctrl_char,
    pub clngval: dbr_ctrl_long,
    pub cdblval: dbr_ctrl_double,
    pub putackt: dbr_put_ackt_t,
    pub putacks: dbr_put_acks_t,
    pub sastrval: dbr_sts_string,
    pub classname: dbr_string_t,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct oldChannelNotify {
    _unused: [u8; 0],
}
pub type chid = *mut oldChannelNotify;
pub type chanId = chid;
pub type chtype = libc::c_long;
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct oldSubscription {
    _unused: [u8; 0],
}
pub type evid = *mut oldSubscription;
pub type ca_real = f64;
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct connection_handler_args {
    pub chid: chanId,
    pub op: libc::c_long,
}
pub type caCh = ::core::option::Option<unsafe extern "C" fn(args: connection_handler_args)>;
pub type caar = ca_access_rights;
#[repr(C)]
pub struct access_rights_handler_args {
    pub chid: chanId,
    pub ar: caar,
}
pub type caArh = ::core::option::Option<unsafe extern "C" fn(args: access_rights_handler_args)>;
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct event_handler_args {
    pub usr: *mut libc::c_void,
    pub chid: chanId,
    pub type_: libc::c_long,
    pub count: libc::c_long,
    pub dbr: *const libc::c_void,
    pub status: libc::c_int,
}
pub type evargs = event_handler_args;
pub type caEventCallBackFunc =
    ::core::option::Option<unsafe extern "C" fn(arg1: event_handler_args)>;
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct exception_handler_args {
    pub usr: *mut libc::c_void,
    pub chid: chanId,
    pub type_: libc::c_long,
    pub count: libc::c_long,
    pub addr: *mut libc::c_void,
    pub stat: libc::c_long,
    pub op: libc::c_long,
    pub ctx: *const libc::c_char,
    pub pFile: *const libc::c_char,
    pub lineNo: libc::c_uint,
}
pub type CA_SYNC_GID = libc::c_uint;
#[repr(u32)]
#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
pub enum channel_state {
    cs_never_conn = 0,
    cs_prev_conn = 1,
    cs_conn = 2,
    cs_closed = 3,
}
#[repr(u32)]
#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
pub enum ca_preemptive_callback_select {
    ca_disable_preemptive_callback = 0,
    ca_enable_preemptive_callback = 1,
}
pub type capri = libc::c_uint;
pub type caExceptionHandler =
    ::core::option::Option<unsafe extern "C" fn(arg1: exception_handler_args)>;
pub type CAFDHANDLER = ::core::option::Option<
    unsafe extern "C" fn(parg: *mut libc::c_void, fd: libc::c_int, opened: libc::c_int),
>;
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct ca_client_context {
    _unused: [u8; 0],
}
#[repr(u32)]
#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
pub enum epicsAlarmSeverity {
    epicsSevNone = 0,
    epicsSevMinor = 1,
    epicsSevMajor = 2,
    epicsSevInvalid = 3,
    ALARM_NSEV = 4,
}
#[repr(u32)]
#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
pub enum epicsAlarmCondition {
    epicsAlarmNone = 0,
    epicsAlarmRead = 1,
    epicsAlarmWrite = 2,
    epicsAlarmHiHi = 3,
    epicsAlarmHigh = 4,
    epicsAlarmLoLo = 5,
    epicsAlarmLow = 6,
    epicsAlarmState = 7,
    epicsAlarmCos = 8,
    epicsAlarmComm = 9,
    epicsAlarmTimeout = 10,
    epicsAlarmHwLimit = 11,
    epicsAlarmCalc = 12,
    epicsAlarmScan = 13,
    epicsAlarmLink = 14,
    epicsAlarmSoft = 15,
    epicsAlarmBadSub = 16,
    epicsAlarmUDF = 17,
    epicsAlarmDisable = 18,
    epicsAlarmSimm = 19,
    epicsAlarmReadAccess = 20,
    epicsAlarmWriteAccess = 21,
    ALARM_NSTATUS = 22,
}
extern "C" {
    pub static mut epicsTypeNames: [*const libc::c_char; 11usize];
    pub static mut epicsTypeCodeNames: [*const libc::c_char; 11usize];
    pub static epicsTypeSizes: [libc::c_uint; 11usize];
    pub static epicsTypeClasses: [epicsTypeClass; 11usize];
    pub static mut epicsTypeAnyFieldName: [*const libc::c_char; 11usize];
    pub fn ca_message(ca_status: libc::c_long) -> *const libc::c_char;
    pub static mut ca_message_text: [*const libc::c_char; 0usize];
    pub static epicsTypeToDBR_XXXX: [libc::c_int; 11usize];
    pub static DBR_XXXXToEpicsType: [epicsType; 39usize];
    pub static dbr_size: [libc::c_ushort; 0usize];
    pub static dbr_value_size: [libc::c_ushort; 0usize];
    pub static dbr_value_class: [dbr_value_class; 39usize];
    pub static dbr_value_offset: [libc::c_ushort; 39usize];
    pub static mut dbf_text: [*const libc::c_char; 9usize];
    pub static dbf_text_dim: libc::c_short;
    pub static mut dbf_text_invalid: *const libc::c_char;
    pub static mut dbr_text: [*const libc::c_char; 39usize];
    pub static dbr_text_dim: libc::c_short;
    pub static mut dbr_text_invalid: *const libc::c_char;
    pub fn ca_test_event(arg1: event_handler_args);
    pub fn ca_field_type(chan: chid) -> libc::c_short;
    pub fn ca_element_count(chan: chid) -> libc::c_ulong;
    pub fn ca_name(chan: chid) -> *const libc::c_char;
    pub fn ca_set_puser(chan: chid, puser: *mut libc::c_void);
    pub fn ca_puser(chan: chid) -> *mut libc::c_void;
    pub fn ca_read_access(chan: chid) -> libc::c_uint;
    pub fn ca_write_access(chan: chid) -> libc::c_uint;
    pub fn ca_state(chan: chid) -> channel_state;
    pub fn ca_task_initialize() -> libc::c_int;
    pub fn ca_context_create(select: ca_preemptive_callback_select) -> libc::c_int;
    pub fn ca_detach_context();
    pub fn ca_task_exit() -> libc::c_int;
    pub fn ca_context_destroy();
    pub fn ca_create_channel(
        pChanName: *const libc::c_char,
        pConnStateCallback: caCh,
        pUserPrivate: *mut libc::c_void,
        priority: capri,
        pChanID: *mut chid,
    ) -> libc::c_int;
    pub fn ca_change_connection_event(chan: chid, pfunc: caCh) -> libc::c_int;
    pub fn ca_replace_access_rights_event(chan: chid, pfunc: caArh) -> libc::c_int;
    pub fn ca_add_exception_event(
        pfunc: caExceptionHandler,
        pArg: *mut libc::c_void,
    ) -> libc::c_int;
    pub fn ca_clear_channel(chanId: chid) -> libc::c_int;
    pub fn ca_array_put(
        type_: chtype,
        count: libc::c_ulong,
        chanId: chid,
        pValue: *const libc::c_void,
    ) -> libc::c_int;
    pub fn ca_array_put_callback(
        type_: chtype,
        count: libc::c_ulong,
        chanId: chid,
        pValue: *const libc::c_void,
        pFunc: caEventCallBackFunc,
        pArg: *mut libc::c_void,
    ) -> libc::c_int;
    pub fn ca_array_get(
        type_: chtype,
        count: libc::c_ulong,
        chanId: chid,
        pValue: *mut libc::c_void,
    ) -> libc::c_int;
    pub fn ca_array_get_callback(
        type_: chtype,
        count: libc::c_ulong,
        chanId: chid,
        pFunc: caEventCallBackFunc,
        pArg: *mut libc::c_void,
    ) -> libc::c_int;
    pub fn ca_create_subscription(
        type_: chtype,
        count: libc::c_ulong,
        chanId: chid,
        mask: libc::c_long,
        pFunc: caEventCallBackFunc,
        pArg: *mut libc::c_void,
        pEventID: *mut evid,
    ) -> libc::c_int;
    pub fn ca_clear_subscription(eventID: evid) -> libc::c_int;
    pub fn ca_evid_to_chid(id: evid) -> chid;
    pub fn ca_pend_event(timeout: ca_real) -> libc::c_int;
    pub fn ca_pend_io(timeout: ca_real) -> libc::c_int;
    pub fn ca_pend(timeout: ca_real, early: libc::c_int) -> libc::c_int;
    pub fn ca_test_io() -> libc::c_int;
    pub fn ca_flush_io() -> libc::c_int;
    pub fn ca_signal(errorCode: libc::c_long, pCtxStr: *const libc::c_char);
    pub fn ca_signal_with_file_and_lineno(
        errorCode: libc::c_long,
        pCtxStr: *const libc::c_char,
        pFileStr: *const libc::c_char,
        lineNo: libc::c_int,
    );
    pub fn ca_signal_formated(
        ca_status: libc::c_long,
        pfilenm: *const libc::c_char,
        lineno: libc::c_int,
        pFormat: *const libc::c_char,
        ...
    );
    pub fn ca_host_name(channel: chid) -> *const libc::c_char;
    pub fn ca_get_host_name(
        pChan: chid,
        pBuf: *mut libc::c_char,
        bufLength: libc::c_uint,
    ) -> libc::c_uint;
    pub fn ca_add_fd_registration(pHandler: CAFDHANDLER, pArg: *mut libc::c_void) -> libc::c_int;
    pub fn ca_sg_create(pgid: *mut CA_SYNC_GID) -> libc::c_int;
    pub fn ca_sg_delete(gid: CA_SYNC_GID) -> libc::c_int;
    pub fn ca_sg_block(gid: CA_SYNC_GID, timeout: ca_real) -> libc::c_int;
    pub fn ca_sg_test(gid: CA_SYNC_GID) -> libc::c_int;
    pub fn ca_sg_reset(gid: CA_SYNC_GID) -> libc::c_int;
    pub fn ca_sg_array_get(
        gid: CA_SYNC_GID,
        type_: chtype,
        count: libc::c_ulong,
        chan: chid,
        pValue: *mut libc::c_void,
    ) -> libc::c_int;
    pub fn ca_sg_array_put(
        gid: CA_SYNC_GID,
        type_: chtype,
        count: libc::c_ulong,
        chan: chid,
        pValue: *const libc::c_void,
    ) -> libc::c_int;
    pub fn ca_sg_stat(gid: CA_SYNC_GID) -> libc::c_int;
    pub fn ca_dump_dbr(type_: chtype, count: libc::c_uint, pbuffer: *const libc::c_void);
    pub fn ca_v42_ok(chan: chid) -> libc::c_int;
    pub fn ca_version() -> *const libc::c_char;
    pub fn ca_get_ioc_connection_count() -> libc::c_uint;
    pub fn ca_preemtive_callback_is_enabled() -> libc::c_int;
    pub fn ca_self_test();
    pub fn ca_beacon_anomaly_count() -> libc::c_uint;
    pub fn ca_search_attempts(chan: chid) -> libc::c_uint;
    pub fn ca_beacon_period(chan: chid) -> f64;
    pub fn ca_receive_watchdog_delay(chan: chid) -> f64;
    pub fn ca_current_context() -> *mut ca_client_context;
    pub fn ca_attach_context(context: *mut ca_client_context) -> libc::c_int;
    pub fn ca_client_status(level: libc::c_uint) -> libc::c_int;
    pub fn ca_context_status(arg1: *mut ca_client_context, level: libc::c_uint) -> libc::c_int;
    pub fn ca_build_and_connect(
        pChanName: *const libc::c_char,
        arg1: chtype,
        arg2: libc::c_ulong,
        pChanID: *mut chid,
        arg3: *mut libc::c_void,
        pFunc: caCh,
        pArg: *mut libc::c_void,
    ) -> libc::c_int;
    pub fn ca_search_and_connect(
        pChanName: *const libc::c_char,
        pChanID: *mut chid,
        pFunc: caCh,
        pArg: *mut libc::c_void,
    ) -> libc::c_int;
    pub fn ca_channel_status(tid: epicsThreadId) -> libc::c_int;
    pub fn ca_clear_event(eventID: evid) -> libc::c_int;
    pub fn ca_add_masked_array_event(
        type_: chtype,
        count: libc::c_ulong,
        chanId: chid,
        pFunc: caEventCallBackFunc,
        pArg: *mut libc::c_void,
        p_delta: ca_real,
        n_delta: ca_real,
        timeout: ca_real,
        pEventID: *mut evid,
        mask: libc::c_long,
    ) -> libc::c_int;
    pub fn ca_modify_user_name(pUserName: *const libc::c_char) -> libc::c_int;
    pub fn ca_modify_host_name(pHostName: *const libc::c_char) -> libc::c_int;
    pub static mut epicsAlarmSeverityStrings: [*const libc::c_char; 4usize];
    pub static mut epicsAlarmConditionStrings: [*const libc::c_char; 22usize];
}