C Sample Backup a File Program

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Solution File Name: CSampleBackupFileProgram.docx
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Problem:
In this application, we will write a C program to backup for a file.
For example:
c:\>backup.exe para1 para2
-para1 is the source file that need to be backuped
-para2 is the destination file that hold the backup of the source file
-The application needs at least para1 to run
-If para2 is missed, the application will automatically create a dest file with the extension change to .bak. For example, source file name text1.txt will be changed to text1.bak
-The application willl copy all the content of the source file to dest file


1.backup.c
#include < stdio.h >
#include < fcntl.h >
#include < string.h >

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

}

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