You can access the members , the way you are trying( but the structures which are inside the union should have unique members) but you should make sure that while compiling the code gcc should know that you are trying like that, command : gcc -fms-extensions file_name.
Read moreIs struct and union same?
The syntaxes to declare or define a structure and a union are similar . The major difference between a structure and a union is storage. In a structure, each member has its distinct storage location while the members of a union utilize a shared memory location that is equal to the size of its largest data member.
Read moreCan we use structure inside union in C?
A structure can be nested inside a union and it is called union of structures. It is possible to create a union inside a structure.
Read moreHow do unions work in C?
A union is a special data type available in C that allows to store different data types in the same memory location . You can define a union with many members, but only one member can contain a value at any given time. Unions provide an efficient way of using the same memory location for multiple-purpose.
Read moreWhat is union explain with example in C?
Advertisements. A union is a special data type available in C that allows to store different data types in the same memory location . You can define a union with many members, but only one member can contain a value at any given time.
Read moreWhat is union function in C?
The UNION operator is used to combine the result-set of two or more SELECT statements . Every SELECT statement within UNION must have the same number of columns. The columns must also have similar data types. The columns in every SELECT statement must also be in the same order.
Read moreWhat is the use of union?
The primary use of a union is allowing access to a common location by different data types , for example hardware input/output access, bitfield and word sharing, or type punning. Unions can also provide low-level polymorphism.
Read more