src.c: In function 'main':
src.c:5:10: error: variable or field 'printf_message' declared void
void printf_message;
^
src.c:7:5: error: called object 'printf_message' is not a function or function pointer
printf_message();
^
src.c:5:10: note: declared here
void printf_message;
^
src.c:9:22: error: expected declaration specifiers or '...' before string constant
void printf_star("**************************");
^
src.c:10:25: error: expected declaration specifiers or '...' before string constant
void printf_message(" How do you do!");
^