sharing a function between 2 .c files

Question

dir1 has dir2, file1.c and file1.h.

dir2 has file2.c

Now, if I want to access a function defined in file1.c in file2.c, I need to declare it in file1.h and inclu

Answer 1

including the .h files is not enough because it only includes the prototype of that function not the definition of the function and the definition of the function is in a seperate .c file.

one way to fix it is just type:

gcc -o out file1.c file2.c

or as Nate says you could seperate the compilation process and the link process