/in/fileReverse.c: In function 'main':
/in/fileReverse.c:13:15: error: conversion to 'char' from 'int' may alter its value [-Werror=conversion]
     char ch = fgetc(fp);
               ^~~~~
/in/fileReverse.c:24:15: error: conversion to 'int' from 'size_t {aka long unsigned int}' may alter its value [-Werror=conversion]
         len = strlen(temp);
               ^~~~~~
/in/fileReverse.c:30:14: error: conversion to 'char' from 'int' may alter its value [-Werror=conversion]
         ch = fgetc(fp);
              ^~~~~
cc1: all warnings being treated as errors