CS256 - Principles of Structured Design Fall 2021

Displaying ./code/sternflCode/p3.c

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#include<stdio.h>
int main()  {
  int c;
  FILE *f = fopen("message", "r");
  while ( (c=fgetc(f)) != EOF) {
     if (c>='A' && c<='Z') {
       c = c+5;
       if (c>'Z') {//gone off the end
          c = (c - 'Z' -1) + 'A' ;
       }
     }
     putchar(c);
  }
}
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