18 pub type intptr_t = isize;  typedef
436     pub fn execl(path: *const c_char, arg0: *const c_char, ...) -> intptr_t;  in execl()
438     pub fn wexecl(path: *const wchar_t, arg0: *const wchar_t, ...) -> intptr_t;  in wexecl()
440     pub fn execle(path: *const c_char, arg0: *const c_char, ...) -> intptr_t;  in execle()
442     pub fn wexecle(path: *const wchar_t, arg0: *const wchar_t, ...) -> intptr_t;  in wexecle()
444     pub fn execlp(path: *const c_char, arg0: *const c_char, ...) -> intptr_t;  in execlp()
446     pub fn wexeclp(path: *const wchar_t, arg0: *const wchar_t, ...) -> intptr_t;  in wexeclp()
448     pub fn execlpe(path: *const c_char, arg0: *const c_char, ...) -> intptr_t;  in execlpe()
450     pub fn wexeclpe(path: *const wchar_t, arg0: *const wchar_t, ...) -> intptr_t;  in wexeclpe()
452     pub fn execv(prog: *const c_char, argv: *const *const c_char) -> ::intptr_t;  in execv()
468     pub fn wexecv(prog: *const wchar_t, argv: *const *const wchar_t) -> ::intptr_t;  in wexecv()
474     ) -> ::intptr_t;  in wexecve()
476     pub fn wexecvp(c: *const wchar_t, argv: *const *const wchar_t) -> ::intptr_t;  in wexecvp()
482     ) -> ::intptr_t;  in wexecvpe()
506     pub fn get_osfhandle(fd: ::c_int) -> ::intptr_t;  in get_osfhandle()
508     pub fn open_osfhandle(osfhandle: ::intptr_t, flags: ::c_int) -> ::c_int;  in open_osfhandle()