Files — CHaR

Names specified here
Name	Description			Source	Availability
`FILENAME_MAX`	Maximum filename length	M		`<stdio.h>`	C89	C90	C95	C99	C11
`remove()`	Remove file		(·)	`<stdio.h>`	C89	C90	C95	C99	C11
`rename()`	Rename file		(·)	`<stdio.h>`	C89	C90	C95	C99	C11

Filenames accepted by the functions fopen, fopen_s, freopen, freopen_s, rename and remove can be of upto FILENAME_MAX characters, including a terminating null.

#include <stdio.h>
int remove(const char *name);
int rename(const char *from, const char *to);

remove deletes the file identified by the null-terminated string name. It returns zero on success, and non-zero on failure.

rename renames the file identified by the null-terminated string from to the null-terminated string to. It returns zero on success, and non-zero on failure.

File contents can also be accessed through streams.