cc -pthread -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations stdlib/drand48.c -o stdlib/drand48 -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lintl -liconv stdlib/drand48.c:11:23: error: ‘drand48’ undeclared here (not in a function); did you mean ‘srand’? 11 | double (*foo)(void) = drand48; | ^~~~~~~ | srand