cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations monetary/size_t.c -o monetary/size_t -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lintl -liconv
monetary/size_t.c:1:10: fatal error: monetary.h: No such file or directory
    1 | #include <monetary.h>
      |          ^~~~~~~~~~~~
compilation terminated.