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But the man page for strcat() says that it takes two char *s as arguments. How am I supposed to know to allocate things?

char man page takes
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But the man page for strcat() says that it takes two char *s as arguments. How am I supposed to know to allocate things?

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In general, when using pointers you *always* have to consider memory allocation, if only to make sure that the compiler is doing it for you.

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