File Operations

#include <stdio.h>
void copy(char *target_name,char *source_name)
{
    char c;
    FILE *target,*source;
    source=fopen(source_name,"r");
    if(source==NULL)
    {
        printf("\nSource file not found");
    }
    target=fopen(target_name,"w");
    while((c=getc(source))!=EOF)
        putc(c,target);
    printf("\nDone.");
}

void del(char *file_name)
{
    int status;
    status = remove(file_name);
    if(status==0)
        printf("\nDone.");
    else
        printf("File not found");
}


void rname(char *old_name,char *new_name)
{
    copy(new_name,old_name);
    delete(old_name);
}


int main()
{
    char s1[50],s2[50];
    int choice;
    printf("Select your option:-\n1.Copy File\n2.Delete File\n3.Rename File\n");
    scanf("%d",&choice);
    switch(choice)
    {
        case 1: printf("Enter source file name:-\n");
            scanf("%s",s1);
            printf("Enter target file name:-\n");
            scanf("%s",s2);
            copy(s2,s1);        break;
        case 2: printf("Enter file name:-\n");
            scanf("%s",s1);
            del(s1);            break;
        case 3: printf("Enter old name:-\n");
            scanf("%s",s1);
            printf("Enter new name:-\n");
            scanf("%s",s2);
            rname(s1,s2);       break;
        default:printf("Error. Enter option again.\n");
    }
}