cc -pthread  -Wall -Wextra newlocale.c -o newlocale -D_GNU_SOURCE -D_BSD_SOURCE -D_ALL_SOURCE -D_DEFAULT_SOURCE -lm -lpthread -lrt -lintl -liconv
relibc getrlimit(3, 0x7ffffffffc70): not implemented
relibc getrlimit(3, 0x7ffffffffb80): not implemented
relibc getrlimit(9, 0x7ffffffffb40): not implemented
relibc getrlimit(9, 0x7ffffffffb70): not implemented
relibc getrlimit(5, 0x7ffffffffb70): not implemented
relibc getrlimit(9, 0x7ffffffffb40): not implemented
newlocale.c: In function 'main':
newlocale.c:9:9: error: unknown type name 'locale_t'
    9 |         locale_t locale = newlocale(LC_ALL_MASK, "C", (locale_t) 0);
      |         ^~~~~~~~
newlocale.c:9:27: warning: implicit declaration of function 'newlocale'; did you mean 'setlocale'? [-Wimplicit-function-declaration]
    9 |         locale_t locale = newlocale(LC_ALL_MASK, "C", (locale_t) 0);
      |                           ^~~~~~~~~
      |                           setlocale
newlocale.c:9:37: error: 'LC_ALL_MASK' undeclared (first use in this function)
    9 |         locale_t locale = newlocale(LC_ALL_MASK, "C", (locale_t) 0);
      |                                     ^~~~~~~~~~~
newlocale.c:9:37: note: each undeclared identifier is reported only once for each function it appears in
newlocale.c:9:56: error: 'locale_t' undeclared (first use in this function); did you mean 'locale'?
    9 |         locale_t locale = newlocale(LC_ALL_MASK, "C", (locale_t) 0);
      |                                                        ^~~~~~~~
      |                                                        locale
newlocale.c:9:65: error: expected ')' before numeric constant
    9 |         locale_t locale = newlocale(LC_ALL_MASK, "C", (locale_t) 0);
      |                                    ~                            ^~
      |                                                                 )
newlocale.c:10:34: error: expected ')' before numeric constant
   10 |         if ( locale == (locale_t) 0 )
      |            ~                     ^~
      |                                  )