cc -pthread -Wall -Wextra -Werror=implicit-function-declaration stdlib/mrand48.c -o stdlib/mrand48 -D_GNU_SOURCE -D_BSD_SOURCE -D_ALL_SOURCE -D_DEFAULT_SOURCE -lm -lpthread -lrt -lintl -liconv stdlib/mrand48.c: In function ‘main’: stdlib/mrand48.c:11:22: error: implicit declaration of function ‘mrand48’; did you mean ‘srand’? [-Wimplicit-function-declaration] 11 | long value = mrand48(); | ^~~~~~~ | srand