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with getchar(), in readchar(), a char was used to read input, which in getuchar() is used as an argument to islower() and toupper(). Also removed a condition which terminated the process if the user typed in character 255. Approved by christos.
with getchar(), in readchar(), a char was used to read input, which in getuchar() is used as an argument to islower() and toupper(). Also removed a condition which terminated the process if the user typed in character 255. Approved by christos.