#include<stdio.h>int main(){ FILE *fp; int ch; fp=fopen("myfile.txt","r"); if(fp==NULL) ...

#include<stdio.h>int main(){ FILE *fp; char mystr[100]; fp=fopen("mytext.txt","w"); if(fp==NULL) ...

AABABCABCDABCDEEDECDEBCDEABCDECode of above patternCode of above patternABACBADCBAEDCBAEEDEDCEDCBEDCBACode of ...