Can't compile C program on a Mac after upgrade to Mojave

Can't compile C program on a Mac after upgrade to Mojave

c macos gcc terminal

c

How to compile and run C/C++ in a Unix console/Mac terminal?

c++ c macos console terminal

c

Color text in terminal applications in UNIX [duplicate]

c unix terminal

c

Getting terminal width in C?

c linux terminal width

c

Writing a "real" interactive terminal program like vim, htop, ... in C/C++ without ncurses

c++ c terminal interactive

c

Recognizing arrow keys with stdin

c input terminal ocaml stdin

c

C - How to suppress a sub function's output?

c terminal output suppress

c