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Some static analysis tools can detect violations of this rule.

Tool	Version	Checker	Description
Parasoft Jtest	9.5	PB.LOGIC.CRRV	Implemented

Related Guidelines

SEI CERT C Coding Standard	FIO34-C. Distinguish between characters read from a file and EOF or WEOF
SEI CERT C++ Coding Standard	FIO34-CPP. Use int to capture the return value of character IO functions FIO35-CPP. Use feof() and ferror() to detect end-of-file and file errors when sizeof(int) == sizeof(char)

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