Possible errors in 'including * .c files' style C programming

Question

I came across some codes as follows

//file.c  
#include <stdlib.h>

void print(void){

    printf("Hello world\n");
}

and

//file main.c  
#include <stdio.h>
#include "file.c"

int main(int argc, char *argv[]){

    print();

    return EXIT_SUCCESS;
}

Are there any flaws in this programming style? I can’t figure it out, although I feel that way because somewhere I read that splitting the implementation into a * .h and * .c file helps the compiler check for consistency. I do not understand what is meant by consistency.
I would be deeply grateful for some suggestions.

- thanks

Answer 1

, . , XPM BMP char . , .

, (, *.inc, *.dat ..).

Answer 2

.c. ( .h ) ( .c ), .h :

• . , . .h ( .c ), .c , , .

• . .h, .c . , , , . , , .

Answer 3

, .c. .h . .c.

, , , :

gcc main.c file.c 

gcc main.c. , .

Answer 4

, file.c , / , . / .

Answer 5

, .

.

• ( , ).
• ( ).
• .
• , .
• .

Answer 6

.h . , :

//file.h
void print(void);

//file.c
void
print(void)
{
   printf("Hello world\n");
}
//file main.c  
#include <stdio.h>
#include "file.h"

int main(int argc, char *argv[]){

    print();

    return EXIT_SUCCESS;
}

Answer 7

C , .c . C , ++ , .

, , . , .c , . . , , .

Answer 8

, , C ( ):

• , ,
• () . ( , gcc .., , ).

:

• , , ( , ...)

Answer 9

, , , ## , , C.

, , , , , - :

mytemplate.c:

MyTemplateFunction_ ## MYTYPE(MYTYPE x)
{
  // function code that works with all used TYPEs
}

main.c:

#define MYTYPE float
#include "mytemplate.c"
#undef MYTYPE

#define MYTYPE int
#include "mytemplate.c"
#undef MYTYPE

int main(int, char*)
{
  float f;
  int i;
  MyTemplateFunction_float(f);
  MyTemplateFunction_int(i);
  return 0;
}

Answer 10

:

file1.c

#define bottom arse

file2.c

int f()
{
    int arse = 4;
    bottom = 3;
    printf("%d", arse);
}

main.c

#include "file1.c"
#include "file2.c"

void main()
{
    f();
}

, . , - , .

I really got this error, I imported some lib code into a new project and couldn't worry about writing a Makefile, so I just generated all.cpp, which included all the sources from the library. And it did not work, as expected, due to macro pollution. Spent me to figure it out.

Answer 11

This is great for programs of this length.