diff --git a/src/header/spawn/cbindgen.toml b/src/header/spawn/cbindgen.toml
new file mode 100644
index 0000000..a9f188f
--- /dev/null
+++ b/src/header/spawn/cbindgen.toml
@@ -0,0 +1,63 @@
+sys_includes = ["sys/types.h", "signal.h", "sched.h"]
+include_guard = "_SPAWN_H"
+after_includes = """
+typedef struct {
+    short __flags;
+    pid_t __pgrp;
+    sigset_t __sd;
+    sigset_t __ss;
+    struct sched_param __sp;
+    int __policy;
+    int __pad[16];
+} posix_spawnattr_t;
+
+typedef struct {
+    int __allocated;
+    int __used;
+    void *__actions;
+    int __pad[16];
+} posix_spawn_file_actions_t;
+"""
+trailer = """
+#define POSIX_SPAWN_RESETIDS    0x01
+#define POSIX_SPAWN_SETPGROUP   0x02
+#define POSIX_SPAWN_SETSIGDEF   0x04
+#define POSIX_SPAWN_SETSIGMASK  0x08
+#define POSIX_SPAWN_SETSCHEDPARAM 0x10
+#define POSIX_SPAWN_SETSCHEDULER  0x20
+
+int posix_spawn(pid_t *__restrict, const char *__restrict,
+                const posix_spawn_file_actions_t *,
+                const posix_spawnattr_t *__restrict,
+                char *const __restrict[], char *const __restrict[]);
+int posix_spawnp(pid_t *__restrict, const char *__restrict,
+                 const posix_spawn_file_actions_t *,
+                 const posix_spawnattr_t *__restrict,
+                 char *const __restrict[], char *const __restrict[]);
+int posix_spawnattr_init(posix_spawnattr_t *);
+int posix_spawnattr_destroy(posix_spawnattr_t *);
+int posix_spawnattr_setflags(posix_spawnattr_t *, short);
+int posix_spawnattr_getflags(const posix_spawnattr_t *__restrict, short *__restrict);
+int posix_spawnattr_setpgroup(posix_spawnattr_t *, pid_t);
+int posix_spawnattr_getpgroup(const posix_spawnattr_t *__restrict, pid_t *__restrict);
+int posix_spawnattr_setsigdefault(posix_spawnattr_t *__restrict, const sigset_t *__restrict);
+int posix_spawnattr_getsigdefault(posix_spawnattr_t *__restrict, sigset_t *__restrict);
+int posix_spawnattr_setsigmask(posix_spawnattr_t *__restrict, const sigset_t *__restrict);
+int posix_spawnattr_getsigmask(posix_spawnattr_t *__restrict, sigset_t *__restrict);
+int posix_spawn_file_actions_init(posix_spawn_file_actions_t *);
+int posix_spawn_file_actions_destroy(posix_spawn_file_actions_t *);
+int posix_spawn_file_actions_adddup2(posix_spawn_file_actions_t *, int, int);
+int posix_spawn_file_actions_addclose(posix_spawn_file_actions_t *, int);
+int posix_spawn_file_actions_addopen(posix_spawn_file_actions_t *__restrict,
+                                      int, const char *__restrict, int, mode_t);
+"""
+language = "C"
+style = "Type"
+no_includes = true
+cpp_compat = true
+
+[enum]
+prefix_with_name = true
+
+[export]
+include = []