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I am trying to port this old program. Why do I get undefined external errors for some library functions?
I am trying to port this old program. Why do I get undefined external errors for some library functions? Some old or semistandard functions have been renamed or replaced over the years; if you need:/you should instead: index use strchr. rindex use strrchr. bcopy use memmove, after interchanging the ... 2015-07-16, 1360👍, 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, 1328👍, 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, 1251👍, 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