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author | sijanec <anton@sijanec.eu> | 2021-05-25 07:07:16 +0200 |
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committer | sijanec <anton@sijanec.eu> | 2021-05-25 07:07:16 +0200 |
commit | 71a466c66b3476d5aa58c3fc6de2d77d10d625d3 (patch) | |
tree | 2a608e45350a2dc7e266963eb3ae201feb94f211 /fiz/naloga/vodnaraketa/include/README | |
parent | https://zapiski.xn--ijanec-9jb.eu/p/psi# (diff) | |
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-rw-r--r-- | fiz/naloga/vodnaraketa/include/README | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/fiz/naloga/vodnaraketa/include/README b/fiz/naloga/vodnaraketa/include/README new file mode 100644 index 0000000..194dcd4 --- /dev/null +++ b/fiz/naloga/vodnaraketa/include/README @@ -0,0 +1,39 @@ + +This directory is intended for project header files. + +A header file is a file containing C declarations and macro definitions +to be shared between several project source files. You request the use of a +header file in your project source file (C, C++, etc) located in `src` folder +by including it, with the C preprocessing directive `#include'. + +```src/main.c + +#include "header.h" + +int main (void) +{ + ... +} +``` + +Including a header file produces the same results as copying the header file +into each source file that needs it. Such copying would be time-consuming +and error-prone. With a header file, the related declarations appear +in only one place. If they need to be changed, they can be changed in one +place, and programs that include the header file will automatically use the +new version when next recompiled. The header file eliminates the labor of +finding and changing all the copies as well as the risk that a failure to +find one copy will result in inconsistencies within a program. + +In C, the usual convention is to give header files names that end with `.h'. +It is most portable to use only letters, digits, dashes, and underscores in +header file names, and at most one dot. + +Read more about using header files in official GCC documentation: + +* Include Syntax +* Include Operation +* Once-Only Headers +* Computed Includes + +https://gcc.gnu.org/onlinedocs/cpp/Header-Files.html |