[io]
type = 'table'
[[.source]]
type = 'global'
``````````
type = 'library'
name = 'io'

<default>
type = 'function'
parent = {
    1 = {
        type = 'global',
        name = 'io',
    },
    2 = {
        type = 'library',
        name = 'io',
    }
}

[stdin]
type = 'FILE*'

[stdout]
type = 'FILE*'

[stderr]
type = 'FILE*'

[close]
[[.args]]
name = 'file'
type = 'FILE*'
optional = 'self'
[[.returns]]
name = 'suc'
type = 'boolean'
default = true
optional = 'after'
``````````
name = 'type'
type = 'string'
``````````
name = 'code'
[[.enums]]
name = 'type'
enum = 'exit'
``````````
name = 'type'
enum = 'signal'

[flush]

[input]
[[.args]]
name = 'file'
type = {'string', 'FILE*'}
optional = 'self'
[[.returns]]
type = 'FILE*'
optional = 'self'

["lines Lua 5.1"]
name = 'lines'
version = {'Lua 5.1', 'Lua 5.2'}
[[.args]]
name = 'filename'
type = 'string'
optional = 'after'
``````````
name = 'mode'
type = '...'
[[.returns]]
type = 'function'
returns = {
    1 = {
        name = 'c',
        type = {'string', 'number'},
    }
}
[[.enums]]
name = 'mode'
enum = '*n'
``````````
name = 'mode'
enum = '*a'
``````````
name = 'mode'
enum = '*l'
default = true
``````````
name = 'mode'
code = 'number'

["lines Lua 5.3"]
name = 'lines'
version = {'Lua 5.3', 'Lua 5.4'}
[[.args]]
name = 'filename'
type = 'string'
optional = 'after'
``````````
name = 'mode'
type = '...'
[[.returns]]
type = 'function'
returns = {
    1 = {
        name = 'c',
        type = {'string', 'number'},
    }
}
[[.enums]]
name = 'mode'
enum = 'n'
``````````
name = 'mode'
enum = 'a'
``````````
name = 'mode'
enum = 'l'
default = true
``````````
name = 'mode'
enum = 'L'
``````````
name = 'mode'
code = 'number'

["lines LuaJIT"]
name = 'lines'
version = 'LuaJIT'
[[.args]]
name = 'filename'
type = 'string'
optional = 'after'
``````````
name = 'mode'
type = '...'
[[.returns]]
type = 'function'
returns = {
    1 = {
        name = 'c',
        type = {'string', 'number'},
    }
}
[[.enums]]
name = 'mode'
enum = '*n'
``````````
name = 'mode'
enum = '*a'
``````````
name = 'mode'
enum = '*l'
default = true
``````````
name = 'mode'
enum = '*L'
``````````
name = 'mode'
code = 'number'

[open]
[[.args]]
name = 'filename'
type = 'string'
``````````
name = 'mode'
type = 'string'
optional = 'self'
default = 'r'
[[.returns]]
type = 'FILE*'
[[.enums]]
name = 'mode'
enum = 'r'
default = true
``````````
name = 'mode'
enum = 'w'
``````````
name = 'mode'
enum = 'a'
``````````
name = 'mode'
enum = 'r+'
``````````
name = 'mode'
enum = 'w+'
``````````
name = 'mode'
enum = 'a+'

[output:input]

[popen]
[[.args]]
name = 'prog'
type = 'string'
``````````
name = 'mode'
type = 'string'
optional = 'self'
default = 'r'
[[.returns]]
name = 'file'
type = 'FILE*'
[[.enums]]
name = 'mode'
enum = 'r'
default = true
``````````
name = 'mode'
enum = 'w'

["read Lua 5.1"]
name = 'read'
version = {'Lua 5.1', 'Lua 5.2'}
[[.args]]
name = 'mode'
type = '...'
[[.returns]]
type = {'string', 'number'}
``````````
type = '...'
[[.enums]]
name = 'mode'
enum = '*n'
``````````
name = 'mode'
enum = '*a'
``````````
name = 'mode'
enum = '*l'
default = true
``````````
name = 'mode'
code = 'number'

["read Lua 5.3"]
name = 'read'
version = {'Lua 5.3', 'Lua 5.4'}
[[.args]]
name = 'mode'
type = '...'
[[.returns]]
type = {'string', 'number'}
``````````
type = '...'
[[.enums]]
name = 'mode'
enum = 'n'
``````````
name = 'mode'
enum = 'a'
``````````
name = 'mode'
enum = 'l'
default = true
``````````
name = 'mode'
enum = 'L'
``````````
name = 'mode'
code = 'number'

["read LuaJIT"]
name = 'read'
version = 'LuaJIT'
[[.args]]
name = 'mode'
type = '...'
[[.returns]]
type = {'string', 'number'}
``````````
type = '...'
[[.enums]]
name = 'mode'
enum = '*n'
``````````
name = 'mode'
enum = '*a'
``````````
name = 'mode'
enum = '*l'
default = true
``````````
name = 'mode'
enum = '*L'
``````````
name = 'mode'
code = 'number'

[tmpfile]
[[.returns]]
type = 'FILE*'

[type]
[[.args]]
name = 'obj'
type = 'FILE*'
[[.returns]]
name = 'type'
type = 'string'
[[.enums]]
name = 'type'
enum = 'file'
``````````
name = 'type'
enum = 'closed file'
``````````
name = 'type'
code = 'nil'

[write]
[[.args]]
type = '...'
[[.returns]]
type = 'FILE*'
``````````
name = 'errmsg'
type = 'string'
optional = 'self'