remove

Header: <stdio.h>

Deletes the file identified by the character string pointed to by pathname.

# Declarations

int remove( const char* pathname );

# Parameters

pathname: pointer to a null-terminated string containing the path identifying the file to delete

# Return value

0 upon success or non-zero value on error.

# Notes

POSIX specifies many additional details for the behavior of this function.

# Example

#include <stdio.h>
#include <stdlib.h>
 
int main(void)
{
    FILE* fp = fopen("file1.txt", "w"); // create file
    if (!fp)
    {
        perror("file1.txt");
        return EXIT_FAILURE;
    }
    puts("Created file1.txt");
    fclose(fp);
 
    int rc = remove("file1.txt");
    if (rc)
    {
        perror("remove");
        return EXIT_FAILURE;
    }
    puts("Removed file1.txt");
 
    fp = fopen("file1.txt", "r"); // Failure: file does not exist
    if (!fp)
        perror("Opening removed file failed");
 
    rc = remove("file1.txt"); // Failure: file does not exist
    if (rc)
        perror("Double-remove failed");
 
    return EXIT_SUCCESS;
}