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This document usesPHP Chinese website manualRelease
在头文件 |
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void clearerr(FILE * stream); |
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重置EOF
给定文件流的错误标志和指示符。
流 |
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该文件重置错误标志 |
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(没有)。
#include#include #include int main(void){ FILE* tmpf = tmpfile(); fputs("abcde\n", tmpf); rewind(tmpf); int ch; while ((ch=fgetc(tmpf)) != EOF) printf("%c", ch); assert(feof(tmpf)); // the loop is expected to terminate by eof puts("End of file reached"); clearerr(tmpf); // clear eof if (feof(tmpf)) puts("EOF indicator set"); else puts("EOF indicator cleared\n");}
输出:
abcde End of file reached EOF indicator cleared
C11标准(ISO / IEC 9899:2011):
7.21.10.1清晰器功能(p:338)
C99标准(ISO / IEC 9899:1999):
7.19.10.1清晰器功能(p:304)
C89 / C90标准(ISO / IEC 9899:1990):
4.9.10.1更清晰的功能