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\[[ISO/IEC 9899:1999|AA. C References#ISO/IEC 9899-1999]\] Section 7.19.7.2, "The {{fgets}} function" and Section 7.24.3.2, "the {{fgetws}} function" |
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09. Input Output (FIO) FIO41-C. Do not call getc() or putc() with stream arguments that have side effects