c – Leibnix

The free function in C is used to free or evict memory that was previously dynamically allocated using functions such as malloc, calloc, or realloc. […]

malloc in c

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| C, information

The function is used malloc(xx) where xx is an int calculates the size of the structure in bytes In C, malloc returns a void* pointer […]

create a variable type that is renamed from another in c

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| C, information, typedef

in the .c file after the #include: example: String is an alias for char*, that is, a syntactical replacement To create a variable: It is […]

preprocessor in c

October 15, 2025

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| C, information, preprocessor, preprocessor-directives

When you translate the source code in .c you transform it into machine code When creating an executable from a C file, there are 2 […]

include in c (preprocessor directive)

October 13, 2025

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| C, information, preprocessor-directives

The #include directive in C tells the preprocessor to look for a header file (.h) and copy its contents into the source file (.c) The […]

preprocessor directives in c: include guard

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| C, information, interface, preprocessor-directives

files are included without causing conflicts The Problem: Multiple Inclusion The compiler only allows structures, functions or types to be defined once The following three […]

structs in C

October 12, 2025

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| C, information, struct, structure, typedef

Using structs allows you to group variables of different data types under a single name. It’s the primary tool in C for creating complex user-defined […]