x86_64-managarm-gcc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations mqueue/mq_close.c -o mqueue/mq_close -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lintl -liconv
mqueue/mq_close.c:6:21: error: ‘mq_close’ undeclared here (not in a function)
    6 | int (*foo)(mqd_t) = mq_close;
      |                     ^~~~~~~~