npm

gnu-indent

GNU indent - formats and beautifies C source code

brewmacoslinux
Try with needOr install directly
Source

About

C code prettifier

Commands

indent

Examples

Format a C file with default GNU style$ indent myfile.c
Format multiple files in-place with Linux kernel style$ indent -linux file1.c file2.c
Preview formatting without modifying the original file$ indent -linux myfile.c -o formatted_output.c