cc -pthread -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations unistd/fexecve.c -o unistd/fexecve -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lintl -liconv unistd/fexecve.c:5:51: error: ‘fexecve’ undeclared here (not in a function); did you mean ‘execve’? 5 | int (*foo)(int, char *const [], char *const []) = fexecve; | ^~~~~~~ | execve