cc -pthread -Wall -Wextra -Werror=implicit-function-declaration wordexp/wordexp.c -o wordexp/wordexp -D_GNU_SOURCE -D_BSD_SOURCE -D_ALL_SOURCE -D_DEFAULT_SOURCE -lm -lpthread -lnetwork -lbsd -latomic wordexp/wordexp.c:5:10: fatal error: wordexp.h: No such file or directory 5 | #include | ^~~~~~~~~~~ compilation terminated.