(
 kind = macro definition
 spelling = "MPIAPI"
 location = test.h:1:9
 is-definition? false
 is-declaration? false
 is-inlined-function? false
 usr = "c:test.h@8@macro@MPIAPI"

 type.kind = Invalid
)
(
 kind = macro definition
 spelling = "MPI_METHOD"
 location = test.h:2:9
 is-definition? false
 is-declaration? false
 is-inlined-function? false
 usr = "c:test.h@34@macro@MPI_METHOD"

 type.kind = Invalid
)
(
 kind = macro expansion
 spelling = "MPIAPI"
 location = test.h:9:2
 is-definition? false
 is-declaration? false
 is-inlined-function? false

 referenced.kind = macro definition
 referenced.spelling = "MPIAPI"
 referenced.location = test.h:1:9
 referenced.is-definition? false
 referenced.is-declaration? false
 referenced.is-inlined-function? false
 referenced.usr = "c:test.h@8@macro@MPIAPI"

 type.kind = Invalid
)
(
 kind = macro expansion
 spelling = "MPI_METHOD"
 location = test.h:16:1
 is-definition? false
 is-declaration? false
 is-inlined-function? false

 referenced.kind = macro definition
 referenced.spelling = "MPI_METHOD"
 referenced.location = test.h:2:9
 referenced.is-definition? false
 referenced.is-declaration? false
 referenced.is-inlined-function? false
 referenced.usr = "c:test.h@34@macro@MPI_METHOD"

 type.kind = Invalid
)
(
 kind = TypedefDecl
 spelling = "MPI_Datatype"
 location = test.h:4:13
 is-definition? true
 is-declaration? true
 is-inlined-function? false
 usr = "c:test.h@T@MPI_Datatype"
 typedef-type = Int

 semantic-parent.kind = TranslationUnit
 semantic-parent.spelling = "test.h"
 semantic-parent.location = builtin definitions
 semantic-parent.is-definition? false
 semantic-parent.is-declaration? false
 semantic-parent.is-inlined-function? false

 type.kind = Typedef
 type.cconv = 100
 type.spelling = "MPI_Datatype"
 type.is-variadic? false

 type.canonical.kind = Int
 type.canonical.cconv = 100
 type.canonical.spelling = "int"
 type.canonical.is-variadic? false
)
(
 kind = TypedefDecl
 spelling = "MPI_Op"
 location = test.h:5:13
 is-definition? true
 is-declaration? true
 is-inlined-function? false
 usr = "c:test.h@T@MPI_Op"
 typedef-type = Int

 semantic-parent.kind = TranslationUnit
 semantic-parent.spelling = "test.h"
 semantic-parent.location = builtin definitions
 semantic-parent.is-definition? false
 semantic-parent.is-declaration? false
 semantic-parent.is-inlined-function? false

 type.kind = Typedef
 type.cconv = 100
 type.spelling = "MPI_Op"
 type.is-variadic? false

 type.canonical.kind = Int
 type.canonical.cconv = 100
 type.canonical.spelling = "int"
 type.canonical.is-variadic? false
)
(
 kind = TypedefDecl
 spelling = "MPI_User_function"
 location = test.h:9:9
 is-definition? true
 is-declaration? true
 is-inlined-function? false
 usr = "c:test.h@T@MPI_User_function"
 typedef-type = FunctionProto
 ret-type = Void

 semantic-parent.kind = TranslationUnit
 semantic-parent.spelling = "test.h"
 semantic-parent.location = builtin definitions
 semantic-parent.is-definition? false
 semantic-parent.is-declaration? false
 semantic-parent.is-inlined-function? false

 type.kind = FunctionProto
 type.cconv = 1
 type.spelling = "void (void *, void *, int *, MPI_Datatype *)"
 type.is-variadic? false

 type.canonical.kind = FunctionProto
 type.canonical.cconv = 1
 type.canonical.spelling = "void (void *, void *, int *, int *)"
 type.canonical.is-variadic? false

 type.canonical.return.kind = Void
 type.canonical.return.cconv = 100
 type.canonical.return.spelling = "void"
 type.canonical.return.is-variadic? false

 type.return.kind = Void
 type.return.cconv = 100
 type.return.spelling = "void"
 type.return.is-variadic? false

    (
     kind = ParmDecl
     spelling = "invec"
     location = test.h:10:12
     is-definition? true
     is-declaration? true
     is-inlined-function? false
     usr = "c:test.h@invec"

     semantic-parent.kind = TranslationUnit
     semantic-parent.spelling = "test.h"
     semantic-parent.location = builtin definitions
     semantic-parent.is-definition? false
     semantic-parent.is-declaration? false
     semantic-parent.is-inlined-function? false

     type.kind = Pointer
     type.cconv = 100
     type.spelling = "void *"
     type.is-variadic? false

     type.pointee.kind = Void
     type.pointee.cconv = 100
     type.pointee.spelling = "void"
     type.pointee.is-variadic? false
    )
    (
     kind = ParmDecl
     spelling = "inoutvec"
     location = test.h:11:12
     is-definition? true
     is-declaration? true
     is-inlined-function? false
     usr = "c:test.h@inoutvec"

     semantic-parent.kind = TranslationUnit
     semantic-parent.spelling = "test.h"
     semantic-parent.location = builtin definitions
     semantic-parent.is-definition? false
     semantic-parent.is-declaration? false
     semantic-parent.is-inlined-function? false

     type.kind = Pointer
     type.cconv = 100
     type.spelling = "void *"
     type.is-variadic? false

     type.pointee.kind = Void
     type.pointee.cconv = 100
     type.pointee.spelling = "void"
     type.pointee.is-variadic? false
    )
    (
     kind = ParmDecl
     spelling = "len"
     location = test.h:12:11
     is-definition? true
     is-declaration? true
     is-inlined-function? false
     usr = "c:test.h@len"

     semantic-parent.kind = TranslationUnit
     semantic-parent.spelling = "test.h"
     semantic-parent.location = builtin definitions
     semantic-parent.is-definition? false
     semantic-parent.is-declaration? false
     semantic-parent.is-inlined-function? false

     type.kind = Pointer
     type.cconv = 100
     type.spelling = "int *"
     type.is-variadic? false

     type.pointee.kind = Int
     type.pointee.cconv = 100
     type.pointee.spelling = "int"
     type.pointee.is-variadic? false
    )
    (
     kind = ParmDecl
     spelling = "datatype"
     location = test.h:13:20
     is-definition? true
     is-declaration? true
     is-inlined-function? false
     usr = "c:test.h@datatype"

     semantic-parent.kind = TranslationUnit
     semantic-parent.spelling = "test.h"
     semantic-parent.location = builtin definitions
     semantic-parent.is-definition? false
     semantic-parent.is-declaration? false
     semantic-parent.is-inlined-function? false

     type.kind = Pointer
     type.cconv = 100
     type.spelling = "MPI_Datatype *"
     type.is-variadic? false

     type.canonical.kind = Pointer
     type.canonical.cconv = 100
     type.canonical.spelling = "int *"
     type.canonical.is-variadic? false

     type.canonical.pointee.kind = Int
     type.canonical.pointee.cconv = 100
     type.canonical.pointee.spelling = "int"
     type.canonical.pointee.is-variadic? false

     type.pointee.kind = Typedef
     type.pointee.cconv = 100
     type.pointee.spelling = "MPI_Datatype"
     type.pointee.is-variadic? false

     type.pointee.canonical.kind = Int
     type.pointee.canonical.cconv = 100
     type.pointee.canonical.spelling = "int"
     type.pointee.canonical.is-variadic? false

        (
         kind = TypeRef
         spelling = "MPI_Datatype"
         location = test.h:13:6
         is-definition? false
         is-declaration? false
         is-inlined-function? false

         referenced.kind = TypedefDecl
         referenced.spelling = "MPI_Datatype"
         referenced.location = test.h:4:13
         referenced.is-definition? true
         referenced.is-declaration? true
         referenced.is-inlined-function? false
         referenced.usr = "c:test.h@T@MPI_Datatype"
         referenced.typedef-type = Int

         referenced.semantic-parent.kind = TranslationUnit
         referenced.semantic-parent.spelling = "test.h"
         referenced.semantic-parent.location = builtin definitions
         referenced.semantic-parent.is-definition? false
         referenced.semantic-parent.is-declaration? false
         referenced.semantic-parent.is-inlined-function? false

         type.kind = Typedef
         type.cconv = 100
         type.spelling = "MPI_Datatype"
         type.is-variadic? false

         type.canonical.kind = Int
         type.canonical.cconv = 100
         type.canonical.spelling = "int"
         type.canonical.is-variadic? false

         type.declaration.kind = TypedefDecl
         type.declaration.spelling = "MPI_Datatype"
         type.declaration.location = test.h:4:13
         type.declaration.is-definition? true
         type.declaration.is-declaration? true
         type.declaration.is-inlined-function? false
         type.declaration.usr = "c:test.h@T@MPI_Datatype"
         type.declaration.typedef-type = Int

         type.declaration.semantic-parent.kind = TranslationUnit
         type.declaration.semantic-parent.spelling = "test.h"
         type.declaration.semantic-parent.location = builtin definitions
         type.declaration.semantic-parent.is-definition? false
         type.declaration.semantic-parent.is-declaration? false
         type.declaration.semantic-parent.is-inlined-function? false
        )
    )
)
(
 kind = FunctionDecl
 spelling = "MPI_Op_create"
 location = test.h:17:1
 is-definition? false
 is-declaration? true
 is-inlined-function? false
 usr = "c:@F@MPI_Op_create"
 number-of-args = 3
 ret-type = Int

 semantic-parent.kind = TranslationUnit
 semantic-parent.spelling = "test.h"
 semantic-parent.location = builtin definitions
 semantic-parent.is-definition? false
 semantic-parent.is-declaration? false
 semantic-parent.is-inlined-function? false

 type.kind = FunctionProto
 type.cconv = 1
 type.spelling = "int (MPI_User_function *, int, MPI_Op *)"
 type.is-variadic? false

 type.canonical.kind = FunctionProto
 type.canonical.cconv = 1
 type.canonical.spelling = "int (void (*)(void *, void *, int *, int *), int, int *)"
 type.canonical.is-variadic? false

 type.canonical.return.kind = Int
 type.canonical.return.cconv = 100
 type.canonical.return.spelling = "int"
 type.canonical.return.is-variadic? false

 type.return.kind = Int
 type.return.cconv = 100
 type.return.spelling = "int"
 type.return.is-variadic? false

    (
     kind = ParmDecl
     spelling = "user_fn"
     location = test.h:18:24
     is-definition? true
     is-declaration? true
     is-inlined-function? false
     usr = "c:test.h@281@F@MPI_Op_create@user_fn"

     semantic-parent.kind = FunctionDecl
     semantic-parent.spelling = "MPI_Op_create"
     semantic-parent.location = test.h:17:1
     semantic-parent.is-definition? false
     semantic-parent.is-declaration? true
     semantic-parent.is-inlined-function? false
     semantic-parent.usr = "c:@F@MPI_Op_create"
     semantic-parent.number-of-args = 3
     semantic-parent.ret-type = Int

     semantic-parent.semantic-parent.kind = TranslationUnit
     semantic-parent.semantic-parent.spelling = "test.h"
     semantic-parent.semantic-parent.location = builtin definitions
     semantic-parent.semantic-parent.is-definition? false
     semantic-parent.semantic-parent.is-declaration? false
     semantic-parent.semantic-parent.is-inlined-function? false

     type.kind = Pointer
     type.cconv = 100
     type.spelling = "MPI_User_function *"
     type.is-variadic? false

     type.canonical.kind = Pointer
     type.canonical.cconv = 100
     type.canonical.spelling = "void (*)(void *, void *, int *, int *)"
     type.canonical.is-variadic? false

     type.canonical.pointee.kind = FunctionProto
     type.canonical.pointee.cconv = 1
     type.canonical.pointee.spelling = "void (void *, void *, int *, int *)"
     type.canonical.pointee.is-variadic? false

     type.canonical.pointee.return.kind = Void
     type.canonical.pointee.return.cconv = 100
     type.canonical.pointee.return.spelling = "void"
     type.canonical.pointee.return.is-variadic? false

     type.pointee.kind = FunctionProto
     type.pointee.cconv = 1
     type.pointee.spelling = "void (void *, void *, int *, MPI_Datatype *)"
     type.pointee.is-variadic? false

     type.pointee.canonical.kind = FunctionProto
     type.pointee.canonical.cconv = 1
     type.pointee.canonical.spelling = "void (void *, void *, int *, int *)"
     type.pointee.canonical.is-variadic? false

     type.pointee.canonical.return.kind = Void
     type.pointee.canonical.return.cconv = 100
     type.pointee.canonical.return.spelling = "void"
     type.pointee.canonical.return.is-variadic? false

     type.pointee.return.kind = Void
     type.pointee.return.cconv = 100
     type.pointee.return.spelling = "void"
     type.pointee.return.is-variadic? false

        (
         kind = TypeRef
         spelling = "MPI_User_function"
         location = test.h:18:5
         is-definition? false
         is-declaration? false
         is-inlined-function? false

         referenced.kind = TypedefDecl
         referenced.spelling = "MPI_User_function"
         referenced.location = test.h:9:9
         referenced.is-definition? true
         referenced.is-declaration? true
         referenced.is-inlined-function? false
         referenced.usr = "c:test.h@T@MPI_User_function"
         referenced.typedef-type = FunctionProto
         referenced.ret-type = Void

         referenced.semantic-parent.kind = TranslationUnit
         referenced.semantic-parent.spelling = "test.h"
         referenced.semantic-parent.location = builtin definitions
         referenced.semantic-parent.is-definition? false
         referenced.semantic-parent.is-declaration? false
         referenced.semantic-parent.is-inlined-function? false

         type.kind = FunctionProto
         type.cconv = 1
         type.spelling = "void (void *, void *, int *, MPI_Datatype *)"
         type.is-variadic? false

         type.canonical.kind = FunctionProto
         type.canonical.cconv = 1
         type.canonical.spelling = "void (void *, void *, int *, int *)"
         type.canonical.is-variadic? false

         type.canonical.return.kind = Void
         type.canonical.return.cconv = 100
         type.canonical.return.spelling = "void"
         type.canonical.return.is-variadic? false

         type.return.kind = Void
         type.return.cconv = 100
         type.return.spelling = "void"
         type.return.is-variadic? false
        )
    )
    (
     kind = ParmDecl
     spelling = "commute"
     location = test.h:19:9
     is-definition? true
     is-declaration? true
     is-inlined-function? false
     usr = "c:test.h@314@F@MPI_Op_create@commute"

     semantic-parent.kind = FunctionDecl
     semantic-parent.spelling = "MPI_Op_create"
     semantic-parent.location = test.h:17:1
     semantic-parent.is-definition? false
     semantic-parent.is-declaration? true
     semantic-parent.is-inlined-function? false
     semantic-parent.usr = "c:@F@MPI_Op_create"
     semantic-parent.number-of-args = 3
     semantic-parent.ret-type = Int

     semantic-parent.semantic-parent.kind = TranslationUnit
     semantic-parent.semantic-parent.spelling = "test.h"
     semantic-parent.semantic-parent.location = builtin definitions
     semantic-parent.semantic-parent.is-definition? false
     semantic-parent.semantic-parent.is-declaration? false
     semantic-parent.semantic-parent.is-inlined-function? false

     type.kind = Int
     type.cconv = 100
     type.spelling = "int"
     type.is-variadic? false
    )
    (
     kind = ParmDecl
     spelling = "op"
     location = test.h:20:13
     is-definition? true
     is-declaration? true
     is-inlined-function? false
     usr = "c:test.h@332@F@MPI_Op_create@op"

     semantic-parent.kind = FunctionDecl
     semantic-parent.spelling = "MPI_Op_create"
     semantic-parent.location = test.h:17:1
     semantic-parent.is-definition? false
     semantic-parent.is-declaration? true
     semantic-parent.is-inlined-function? false
     semantic-parent.usr = "c:@F@MPI_Op_create"
     semantic-parent.number-of-args = 3
     semantic-parent.ret-type = Int

     semantic-parent.semantic-parent.kind = TranslationUnit
     semantic-parent.semantic-parent.spelling = "test.h"
     semantic-parent.semantic-parent.location = builtin definitions
     semantic-parent.semantic-parent.is-definition? false
     semantic-parent.semantic-parent.is-declaration? false
     semantic-parent.semantic-parent.is-inlined-function? false

     type.kind = Pointer
     type.cconv = 100
     type.spelling = "MPI_Op *"
     type.is-variadic? false

     type.canonical.kind = Pointer
     type.canonical.cconv = 100
     type.canonical.spelling = "int *"
     type.canonical.is-variadic? false

     type.canonical.pointee.kind = Int
     type.canonical.pointee.cconv = 100
     type.canonical.pointee.spelling = "int"
     type.canonical.pointee.is-variadic? false

     type.pointee.kind = Typedef
     type.pointee.cconv = 100
     type.pointee.spelling = "MPI_Op"
     type.pointee.is-variadic? false

     type.pointee.canonical.kind = Int
     type.pointee.canonical.cconv = 100
     type.pointee.canonical.spelling = "int"
     type.pointee.canonical.is-variadic? false

        (
         kind = TypeRef
         spelling = "MPI_Op"
         location = test.h:20:5
         is-definition? false
         is-declaration? false
         is-inlined-function? false

         referenced.kind = TypedefDecl
         referenced.spelling = "MPI_Op"
         referenced.location = test.h:5:13
         referenced.is-definition? true
         referenced.is-declaration? true
         referenced.is-inlined-function? false
         referenced.usr = "c:test.h@T@MPI_Op"
         referenced.typedef-type = Int

         referenced.semantic-parent.kind = TranslationUnit
         referenced.semantic-parent.spelling = "test.h"
         referenced.semantic-parent.location = builtin definitions
         referenced.semantic-parent.is-definition? false
         referenced.semantic-parent.is-declaration? false
         referenced.semantic-parent.is-inlined-function? false

         type.kind = Typedef
         type.cconv = 100
         type.spelling = "MPI_Op"
         type.is-variadic? false

         type.canonical.kind = Int
         type.canonical.cconv = 100
         type.canonical.spelling = "int"
         type.canonical.is-variadic? false

         type.declaration.kind = TypedefDecl
         type.declaration.spelling = "MPI_Op"
         type.declaration.location = test.h:5:13
         type.declaration.is-definition? true
         type.declaration.is-declaration? true
         type.declaration.is-inlined-function? false
         type.declaration.usr = "c:test.h@T@MPI_Op"
         type.declaration.typedef-type = Int

         type.declaration.semantic-parent.kind = TranslationUnit
         type.declaration.semantic-parent.spelling = "test.h"
         type.declaration.semantic-parent.location = builtin definitions
         type.declaration.semantic-parent.is-definition? false
         type.declaration.semantic-parent.is-declaration? false
         type.declaration.semantic-parent.is-inlined-function? false
        )
    )
)
/* automatically generated by rust-bindgen */

pub type MPI_Datatype = ::std::os::raw::c_int;
pub type MPI_Op = ::std::os::raw::c_int;
extern "C" {
    pub fn MPI_Op_create(
        user_fn: ::std::option::Option<unsafe extern "C" fn()>,
        commute: ::std::os::raw::c_int,
        op: *mut MPI_Op,
    ) -> ::std::os::raw::c_int;
}