x86_64-managarm-gcc -pthread   -Wall -Wextra -Werror=implicit-function-declaration mqueue/mq_close.c -o mqueue/mq_close -D_GNU_SOURCE -D_BSD_SOURCE -D_ALL_SOURCE -D_DEFAULT_SOURCE -lm -lpthread -lrt  -lintl -liconv -lintl -liconv
mqueue/mq_close.c: In function ‘main’:
mqueue/mq_close.c:106:14: error: implicit declaration of function ‘mq_close’; did you mean ‘pclose’? [-Wimplicit-function-declaration]
  106 |         if ( mq_close(mq) < 0 )
      |              ^~~~~~~~
      |              pclose