![]() H is a C header file used mostly by MS-DOS compilers to provide console input/output. h: No such file or directory', it means this library is not installed. But if you are getting error like fatal error: curses. If you don't include the appropriate headers, the compiler has to guess the prototype of any library functions your program uses. There are two kinds of entities that read C source code: compilers (and I guess interpreters) and programmers. Now, we have got the complete detailed explanation and answer for everyone, who is interested! I'm removing it.This is a question our experts keep getting from time to time. It would only be an issue if those identifiers were reserved when conio.h hadn't been included (in which case I'd expect the always-visible names to adopt a _ prefix and conio.h to provide the versions without an underscore). The C standard doesn't prohibit implementations from adding their own headers. contribs) 19:22, 31 August 2011 (UTC) Sorry Reg nim (talk)Īgreed on the _ thing.Preceding unsigned comment added by Reg nim (talk I am dubious until someone with a standard gives a definitive answer. I have seen no reference to an_ anywhere else but here, I have Googled lots of variants to find nothing more than here. And where does that leave ISO with C90, which is described as identical in effect to C89. All compilers that I know, which is not that many, have no an_ prefix. I have two old Borland compilers that were sold as C89 complient, both have conio.h without prefix. Does that really impose the an_ requirement. ![]() I think I was in error above, I misread the last line. ![]() I will report it to ANSI and see what comes back. I don't think you'll find any reference to the relevant ANSI standard, because I don't think conio.h is part of any official ANSI C standard.24.222.2.222 (talk) 13:39, 29 August 2011 (UTC) If anyone knows the number of the standard then please quote it as a reference. ![]() But the ANSI search finds nothing for 'conio.h'. I hope to find this list, if necessary I will buy a copy of the standard from ANSI. ![]()
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