text: /*******************************************************************************/
  /* Permission is hereby granted, free of charge, to any person or organization */
  /* obtaining a copy of the software and accompanying documentation covered by  */
  /* this license (the "Software") to use, reproduce, display, distribute,       */
  /* execute, and transmit the Software, and to prepare derivative works of the  */
  /* Software, and to permit third-parties to whom the Software is furnished to  */
  /* do so, all subject to the following:                                        */
  /*                                                                             */
  /* The copyright notices in the Software and this entire statement, including  */
  /* the above license grant, this restriction and the following disclaimer,     */
  /* must be included in all copies of the Software, in whole or in part, and    */
  /* all derivative works of the Software, unless such copies or derivative      */
  /* works are solely in the form of machine-executable object code generated by */
  /* a source language processor.                                                */
  /*                                                                             */
  /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR  */
  /* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,    */
  /* FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT   */
  /* SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE   */
  /* FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, */
  /* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER */
  /* DEALINGS IN THE SOFTWARE.                                                   */
  /*******************************************************************************/
  
  #if !defined(_LFP_FCNTL_H_)
  # define _LFP_FCNTL_H_
  
  #include <lfp/aux.h>
  
  LFP_BEGIN_DECLS
  
  #include <fcntl.h>
  
  #include <inttypes.h>
  #include <stdbool.h>
  
  #if !defined(O_CLOEXEC)
  // Syscalls use "int" for passing flags, and since
  // *nix systems use the LP64 data model, "int" is 32 bits
  // which means that we can allocate unsupported flags in the
  // upper part of an uint64_t value
  # define O_CLOEXEC ( 1ULL << 32 )
  #endif
  
  int lfp_open(const char *pathname, uint64_t flags, ...);
  
  int lfp_openpt(uint64_t flags);
  
  int lfp_creat(const char *pathname, mode_t mode);
  
  int lfp_is_fd_cloexec(int fd);
  
  int lfp_set_fd_cloexec(int fd, bool enabled);
  
  int lfp_is_fd_nonblock(int fd);
  
  int lfp_set_fd_nonblock(int fd, bool enabled);
  
  LFP_END_DECLS
  
  #endif /* _LFP_FCNTL_H_ */
  