arch.c

   1 /*
   2  * This is free and unencumbered software released into the public domain.
   3  *
   4  * Anyone is free to copy, modify, publish, use, compile, sell, or
   5  * distribute this software, either in source code form or as a compiled
   6  * binary, for any purpose, commercial or non-commercial, and by any
   7  * means.
   8  *
   9  * In jurisdictions that recognize copyright laws, the author or authors
  10  * of this software dedicate any and all copyright interest in the
  11  * software to the public domain. We make this dedication for the benefit
  12  * of the public at large and to the detriment of our heirs and
  13  * successors. We intend this dedication to be an overt act of
  14  * relinquishment in perpetuity of all present and future rights to this
  15  * software under copyright law.
  16
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  20  * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  21  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  22  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  23  * OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  * For more information, please refer to <https://unlicense.org>
  26  */
  27
  28 #define _XOPEN_SOURCE 700
  29
  30 #include <sys/utsname.h>
  31
  32 #include <errno.h>
  33 #include <stdio.h>
  34 #include <string.h>
  35
  36 int
  37 main(int argc, char *argv[])
  38 {
  39         (void)argc;
  40         struct utsname system_info;
  41
  42         if (uname(&system_info) != 0) {
  43                 fprintf(stderr, "%s: uname: %s\n", argv[0], strerror(errno));
  44                 return 1;
  45         }
  46
  47         printf("%s\n", system_info.machine);
  48
  49         return 0;
  50 }