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How can I delete a file?
How can I delete a file? The Standard C Library function is remove. (This is therefore one of the few questions in this section for which the answer is not ``It's system-dependent.'') On older, pre-ANSI Unix systems, remove may not exist, in which case you can try unlink. 2015-04-10, 1286👍, 0💬

I wrote this routine which is supposed to open a fi
I wrote this routine which is supposed to open a file: myfopen(char *filename, FILE *fp) { fp = fopen(filename, "r"); } But when I call it like this: FILE *infp; myfopen("filename.dat", infp); the infp variable in the caller doesn't get set properly. Functions in C always receive copies of their arg... 2015-10-09, 1252👍, 0💬

I want to read and write numbers between files and memory ...
I want to read and write numbers between files and memory in a byte-at-a-time way, not as formatted characters the way fprintf and fscanf do. How can I do this? What you're trying to do is usually called ``binary'' I/O. First, make sure that you are calling fopen with the "b" modifier ("rb", "wb", e... 2015-09-24, 1173👍, 0💬

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.NET C C++ CSS DBA General HTML Java JavaScript JSP JUnit MySQL Networking Oracle Perl Perl PHP PL/SQL RSS Software QA SQL Server Struts Unix Windows XHTML XML