cc -pthread  -Wall -Wextra getlocalename_l.c -o getlocalename_l -D_GNU_SOURCE -D_BSD_SOURCE -D_ALL_SOURCE -D_DEFAULT_SOURCE -lm -lpthread -lrt -lcrypt -latomic
getlocalename_l.c: In function ‘main’:
getlocalename_l.c:9:28: error: implicit declaration of function ‘getlocalename_l’ [-Wimplicit-function-declaration]
    9 |         const char* name = getlocalename_l(LC_COLLATE, LC_GLOBAL_LOCALE);
      |                            ^~~~~~~~~~~~~~~
getlocalename_l.c:9:28: error: initialization of ‘const char *’ from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
getlocalename_l.c:17:14: error: assignment to ‘const char *’ from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
   17 |         name = getlocalename_l(LC_COLLATE, locale);
      |              ^