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14 lines
603 B
14 lines
603 B
// This is called an include guard, which ensures that the header is only |
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// included once. You could alternatively use '#pragma once'. See |
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// https://en.wikipedia.org/wiki/Include_guard. |
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#ifndef HELLO_WORLD_H |
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#define HELLO_WORLD_H |
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// Declare the 'hello()' function, which takes no arguments and returns a |
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// 'const char *', i.e. a pointer to a character (in this case the first |
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// character in a string). The function itself is defined in the hello_world.c |
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// source file. Ths function is called by the test case(s) in the test source |
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// file test/test_hello_world.c. |
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const char *hello(void); |
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#endif
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