cc -pthread  -Wall -Wextra -Werror=implicit-function-declaration sys_mman/posix_madvise.c -o sys_mman/posix_madvise -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
sys_mman/posix_madvise.c: In function 'main':
sys_mman/posix_madvise.c:17:14: error: implicit declaration of function 'posix_madvise' [-Werror=implicit-function-declaration]
   17 |         if ( posix_madvise(page, pagesize, POSIX_MADV_SEQUENTIAL) < 0 )
      |              ^~~~~~~~~~~~~
cc1: some warnings being treated as errors