How do you create a file in c plus plus?

Answer 1

Is it a file or a folder you want to create? Use open/creat/fopen for the former, mkdir for the latter.

Example:

FILE *f;

int rc;

rc= mkdir ("C:\\AA");

if (rc) perror ("Error in mkdir");

f= fopen ("C:\\AA\\MYNEWFILE.TXT", "w");

if (f==NULL) perror ("Error in fopen");

Answer 2

Static libraries (*.lib): Static libraries have no entry point. Compile the project as normal but do not link the object files -- use lib.exe instead. Your compiler should have a switch to prevent linking.

Dynamic libraries (*.dll)

If you need an entry point, use dll_main. Use your compiler's DLL option to create the DLL.

Answer 3

Use fopen(), fclose(), fread(), fwrite() and fseek(), all of which are contained in the standard library.

Answer 4

Open a file for writing. If the file doesn't exist, it will be created.

Answer 5

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