cc -pthread  -Wall -Wextra -Werror=implicit-function-declaration stdlib/secure_getenv.c -o stdlib/secure_getenv -D_GNU_SOURCE -D_BSD_SOURCE -D_ALL_SOURCE -D_DEFAULT_SOURCE -lm -lpthread -lrt -lintl -liconv
relibc getrlimit(3, 0x7ffffffffc80): not implemented
relibc getrlimit(3, 0x7ffffffffba0): not implemented
relibc getrlimit(9, 0x7ffffffffb60): not implemented
relibc getrlimit(9, 0x7ffffffffb90): not implemented
relibc getrlimit(5, 0x7ffffffffb90): not implemented
relibc getrlimit(9, 0x7ffffffffb60): not implemented
stdlib/secure_getenv.c: In function 'main':
stdlib/secure_getenv.c:12:29: error: implicit declaration of function 'secure_getenv' [-Werror=implicit-function-declaration]
   12 |         const char* value = secure_getenv("FOO");
      |                             ^~~~~~~~~~~~~
stdlib/secure_getenv.c:12:29: warning: initialization of 'const char *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
cc1: some warnings being treated as errors