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C read/write and clear FILE


fopen(fileLoc, w+) should do it. See http://en.wikibooks.org/wiki/C_Programming/C_Reference/stdio.h/fopen

Update: Also, you might need to call positioning function (like fseek() or fgetpos()) in between the output and input operations, in accordance with the ANSI C standard: http://man7.org/linux/man-pages/man3/fopen.3.html


Categories : C

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