Difference between #include<...> and #include"..."?

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What is the difference between #include <filename> and #include “filename”?

What is the meaning of include "abc.h" and how it is different from include ?

here you go, do some searching next time http://stackoverflow.com/questions/21593/what-is-the-difference-between-include-filename-and-include-filename?rq=1 — Oerd, Feb 05 '13 at 15:36

score 0 · Answer 1 · answered Feb 05 '13 at 15:36

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Including "abc.h" will look in the current directory. <abc.h> will look in the include directory, which can be provided at compile-time.

answered Feb 05 '13 at 15:36

Bart Friederichs

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Including "abc.h" will look in the current directory and if it is not found there, it also checks include path directory. – Vikram Singh Feb 05 '13 at 15:37
Ah. Never knew that :). – Bart Friederichs Feb 05 '13 at 15:38
I can't find a particular header file in current directory but it is in some other directory other than include , hence compiler is unable to open it . Can copying it to current directory may help ? – Adamant Argh Feb 05 '13 at 15:46
Yes, definitely. Copy it to the directory containing your other cpp/header files of the current project and include it using double quotes. – Vikram Singh Feb 05 '13 at 16:09

score 0 · Answer 2 · answered Feb 05 '13 at 15:40

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<abc.h> is usually for built-in use such as math while "abc.h" is usually for customized use.

answered Feb 05 '13 at 15:40

tech_me

score 0 · Answer 3 · answered Feb 05 '13 at 15:47

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is being looked for in your header include path and "abc.h" relative to your source file's path first.

answered Feb 05 '13 at 15:47

wirrbel

3 Answers3