text: // Copyright 2021, The cjson authors.
  // All rights reserved.
  //
  // Redistribution and use in source and binary forms, with or without
  // modification, are permitted provided that the following conditions are
  // met:
  //
  //     * Redistributions of source code must retain the above copyright
  // notice, this list of conditions and the following disclaimer.
  //     * Redistributions in binary form must reproduce the above
  // copyright notice, this list of conditions and the following disclaimer
  // in the documentation and/or other materials provided with the
  // distribution.
  //     * Neither the name of The cjson authors. nor the names of its
  // contributors may be used to endorse or promote products derived from
  // this software without specific prior written permission.
  //
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  #ifndef CJSON_INCLUDE_INTERNAL_STRING_H_
  #define CJSON_INCLUDE_INTERNAL_STRING_H_
  
  #include <sys/types.h>
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  // Splits a string at `sep`.
  //
  // Returns a heap-allocated array of pointers containing components separated at
  // `sep`.
  //
  // Caller must free the component string inside the returned array of pointers
  // and the returned array of pointers too.
  char** SplitStr(const char* str, const char* const sep);
  
  // Joins the list of `strings` into a single string at `sep`.
  void JoinStr(char* const buffer, const char* sep, const char* const* const strs,
               size_t nstrs);
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif  // CJSON_INTERNAL_STRING_H_
  