structure – Page 5 – Tarik Billa

How to declare a structure in a header that is to be used by multiple files in c?

December 9, 2022 by Tarik

if this structure is to be used by some other file func.c how to do it? When a type is used in a file (i.e. func.c file), it must be visible. The very worst way to do it is copy paste it in each source file needed it. The right way is putting it in … Read more

Structure padding and packing

October 1, 2022 by Tarik

Padding aligns structure members to “natural” address boundaries – say, int members would have offsets, which are mod(4) == 0 on 32-bit platform. Padding is on by default. It inserts the following “gaps” into your first structure: struct mystruct_A { char a; char gap_0[3]; /* inserted by compiler: for alignment of b */ int b; … Read more