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599Defining a struct with the struct keyword
600Declaring struct variables
601The dot operator for member access
602Initializing structs with brace notation
603Designated initializers in C99
604Copying structs with the assignment operator
605Structs as function arguments by value
606Returning a struct from a function
607The syntax of typedef
608Using typedef with primitive types
609Creating a shorthand for struct names
610Combining struct definition and typedef
611Anonymous structs with typedef
612Naming conventions for typedef types
613Typedef vs. #define macros
614Improving code readability with typedef
615Declaring a pointer to a struct
616The arrow operator `->` syntax
617Arrow operator vs dot operator
618Passing struct pointers to functions
619Modifying struct members via pointers
620Allocating structs on the heap with malloc
621Freeing dynamically allocated structs
622The importance of NULL checks for struct pointers
623Defining a struct inside another struct
624Accessing members of nested structs
625Initializing nested structures
626Self-referential structs for linked lists
627Limitations of self-referential definitions
628Forward declarations of structs
629Deep vs shallow copies of nested structs
630Declaring an array of structs
631Initializing arrays of structs
632Indexing into a struct array
633Combining array indexing and member access
634Passing struct arrays to functions
635Sorting an array of structs
636Searching through struct arrays
637The sizeof operator on structs
638Understanding memory alignment
639Why the compiler adds padding bytes
640Structure holes and performance
641Reordering members to reduce padding
642The `__attribute__((packed))` directive
643Alignment requirements for different types
644Platform dependency of struct size
645Purpose of bit-fields in memory-constrained systems
646Syntax for declaring bit-fields
647Restrictions on bit-field types
648The colon operator and bit width
649Signed vs unsigned bit-fields
650Unnamed bit-fields for padding
651Zero-width bit-fields for alignment
652Limitations of bit-field addresses
653Defining a union with the union keyword
654Memory layout of a union
655Accessing union members
656Overlapping memory in unions
657Using unions for type punning
658Size of a union vs size of a struct
659The danger of reading the wrong union member
660Initializing a union
661Defining an enum type
662Default integer values in enums
663Explicitly assigning enum values
664Enums vs constant integers
665Using enums in switch statements
666Scoped enum limitations in C
667Type safety concerns with enums
668Using enums for state machines
669Tagged unions for type safety
670Combining structs and unions
671Anonymous unions inside structs
672Flexible array members in C99
673Opaque types with header files
674Information hiding using void pointers
675Implementing an interface with function pointers in structs

599Defining a struct with the struct keyword
600Declaring struct variables
601The dot operator for member access
602Initializing structs with brace notation
603Designated initializers in C99
604Copying structs with the assignment operator
605Structs as function arguments by value
606Returning a struct from a function
607The syntax of typedef
608Using typedef with primitive types
609Creating a shorthand for struct names
610Combining struct definition and typedef
611Anonymous structs with typedef
612Naming conventions for typedef types
613Typedef vs. #define macros
614Improving code readability with typedef
615Declaring a pointer to a struct
616The arrow operator `->` syntax
617Arrow operator vs dot operator
618Passing struct pointers to functions
619Modifying struct members via pointers
620Allocating structs on the heap with malloc
621Freeing dynamically allocated structs
622The importance of NULL checks for struct pointers
623Defining a struct inside another struct
624Accessing members of nested structs
625Initializing nested structures
626Self-referential structs for linked lists
627Limitations of self-referential definitions
628Forward declarations of structs
629Deep vs shallow copies of nested structs
630Declaring an array of structs
631Initializing arrays of structs
632Indexing into a struct array
633Combining array indexing and member access
634Passing struct arrays to functions
635Sorting an array of structs
636Searching through struct arrays
637The sizeof operator on structs
638Understanding memory alignment
639Why the compiler adds padding bytes
640Structure holes and performance
641Reordering members to reduce padding
642The `__attribute__((packed))` directive
643Alignment requirements for different types
644Platform dependency of struct size
645Purpose of bit-fields in memory-constrained systems
646Syntax for declaring bit-fields
647Restrictions on bit-field types
648The colon operator and bit width
649Signed vs unsigned bit-fields
650Unnamed bit-fields for padding
651Zero-width bit-fields for alignment
652Limitations of bit-field addresses
653Defining a union with the union keyword
654Memory layout of a union
655Accessing union members
656Overlapping memory in unions
657Using unions for type punning
658Size of a union vs size of a struct
659The danger of reading the wrong union member
660Initializing a union
661Defining an enum type
662Default integer values in enums
663Explicitly assigning enum values
664Enums vs constant integers
665Using enums in switch statements
666Scoped enum limitations in C
667Type safety concerns with enums
668Using enums for state machines
669Tagged unions for type safety
670Combining structs and unions
671Anonymous unions inside structs
672Flexible array members in C99
673Opaque types with header files
674Information hiding using void pointers
675Implementing an interface with function pointers in structs

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Lesson 635 of 1,219·9. Structures and UnionsPro lesson

Sorting an array of structs

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