text: /*
   * Copyright (c) 2017, NVIDIA CORPORATION.  All rights reserved.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   *
   */
  
  /* clang-format off */
  
  /*	ttynam3f.c - Implements LIB3F ttynam subprogram.  */
  
  #ifndef WINNT
  
  /* must include ent3f.h AFTER io3f.h */
  #include "io3f.h"
  #include "ent3f.h"
  #include "utils3f.h"
  
  extern char *ttyname();
  
  /* ttynam is a character function */
  void ENT3F(TTYNAM, ttynam)(DCHAR(nm) DCLEN(nm), int *lu)
  {
    int u;
    char *p;
  
    switch (*lu) {
    case 0:
      u = 2;
      break;
    case 5:
      u = 0;
      break;
    case 6:
      u = 1;
      break;
    default:
      p = 0;
      goto sk;
    }
    p = ttyname(u);
  sk:
    __fcp_cstr(CADR(nm), CLEN(nm), p);
    /*
    if (p) free(p);
    */
  
    return;
  }
  
  #endif /* !WINNT */
  